Fait mathématique: 18487 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 18487 is an uninteresting number.
Date historique: August 12th is the day in 30 BC that Cleopatra VII Philopator, the last ruler of the Egyptian Ptolemaic dynasty, commits suicide, allegedly by means of an asp bite.