Hecho general: 15487 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 15487 is an unremarkable number.
Trivia: 15487 is an uninteresting number.
Fecha histórica: May 26th is the day in 1991 that Zviad Gamsakhurdia becomes the first elected President of the Republic of Georgia in the post-Soviet era.