Hecho general: 10787 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 10787 is an unremarkable number.
Trivia: 10787 is an unremarkable number.
Fecha histórica: July 13th is the day in 1174 that William I of Scotland, a key rebel in the Revolt of 1173–1174, is captured at Alnwick by forces loyal to Henry II of England.