13421713 has 4 divisors (see below), whose sum is σ = 13784500. Its totient is φ = 13058928.

The previous prime is 13421711. The next prime is 13421717. The reversal of 13421713 is 31712431.

13421713 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 can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 2286144 = 3337^2 + 1512^2 .

It is not a de Polignac number, because 13421713 - 2¹ = 13421711 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13421711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181338 + ... + 181411.

It is an arithmetic number, because the mean of its divisors is an integer number (3446125).

Almost surely, 2^13421713 is an apocalyptic number.

It is an amenable number.

13421713 is a deficient number, since it is larger than the sum of its proper divisors (362787).

13421713 is an equidigital number, since it uses as much as digits as its factorization.

13421713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362786.

The product of its digits is 504, while the sum is 22.

The square root of 13421713 is about 3663.5656128968. The cubic root of 13421713 is about 237.6489953357.

The spelling of 13421713 in words is "thirteen million, four hundred twenty-one thousand, seven hundred thirteen".