General fact: 13706 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 13706 is a boring number.
Trivia: 13706 is a boring number.
Historical date: July 10th is the day in 1850 that Millard Fillmore is inaugurated as the 13th President of the United States upon the death of President Zachary Taylor, 16 months into his term.