Fait général: 15387 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 15387 is a boring number.
Culture générale: 15387 is an unremarkable number.
Date historique: February 15th is the day in 1979 that Don Dunstan resigns as Premier of South Australia, ending a decade of sweeping social liberalisation.