Hecho general: 63013 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 63013 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 63013 is an uninteresting number.
Fecha histórica: July 9th is the day in 1850 that U.S. President Zachary Taylor dies and Millard Fillmore becomes the 13th President of the United States.