13979 is nontrivially palindromic in base 8.
13979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a nialpdrome in base 7.
213979 is an apocalyptic number.
13979 is an equidigital number, since it uses as much as digits as its factorization.
13979 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2004.
The square root of 13979 is about 118.2328211623. The cubic root of 13979 is about 24.0893659000.
The spelling of 13979 in words is "thirteen thousand, nine hundred seventy-nine".