Hecho general: 13880 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 13880 is an unremarkable number.
Trivia: 13880 is an uninteresting number.
Fecha histórica: December 31st is the day in 1999 that the United States Government hands control of the Panama Canal (as well all the adjacent land to the canal known as the Panama Canal Zone) to Panama.