Hecho general: 15732 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 15732 is a boring number.
Trivia: 15732 is an unremarkable number.
Fecha histórica: January 26th is the day in 1564 that the Grand Duchy of Lithuania defeats the Tsardom of Russia in the Battle of Ula during the Livonian War.