Hecho general: 26036 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 26036 is an unremarkable number.
Trivia: 26036 is a boring number.
Fecha histórica: April 13th is the day in 1256 that the Grand Union of the Augustinian order formed when Pope Alexander IV issues a papal bull Licet ecclesiae catholicae.