Like in other cultures, some certain numbers are considered to have special importance in Islamic Culture. Both in Jewish and Christian Cultures and in Islamic Culture as well, one of the numbers that take attention is number 12. One of the reasons that we see the usage of number 12 in Islamic Culture frequently must be the influence of Jewish and Christian Cultures over the Islamic Culture. We have to be careful about some numbers that are being circulated in people’s mind to date some occasions and to explain some numerical data. We can give the following examples in which the number 12 is used: Distances between places, number of soldiers in armies and number of whom are killed in wars. In this article, we have studied the case to show the usage of interesting examples in the Islamic Culture along with the Jewish and Islamic Culture.