13291713 has 6 divisors (see below), whose sum is σ = 19199154. Its totient is φ = 8861136.

The previous prime is 13291709. The next prime is 13291721. The reversal of 13291713 is 31719231.

It can be written as a sum of positive squares in only one way, i.e., 7225344 + 6066369 = 2688^2 + 2463^2 .

It is not a de Polignac number, because 13291713 - 2² = 13291709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13291753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 738420 + ... + 738437.

It is an arithmetic number, because the mean of its divisors is an integer number (3199859).

Almost surely, 2^13291713 is an apocalyptic number.

It is an amenable number.

13291713 is a deficient number, since it is larger than the sum of its proper divisors (5907441).

13291713 is a wasteful number, since it uses less digits than its factorization.

13291713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476863 (or 1476860 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 13291713 is about 3645.7801634218. The cubic root of 13291713 is about 236.8792313184.

The spelling of 13291713 in words is "thirteen million, two hundred ninety-one thousand, seven hundred thirteen".