13513713 has 4 divisors (see below), whose sum is σ = 18018288. Its totient is φ = 9009140.

The previous prime is 13513663. The next prime is 13513733. The reversal of 13513713 is 31731531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13513713 - 2¹³ = 13505521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13513733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2252283 + ... + 2252288.

It is an arithmetic number, because the mean of its divisors is an integer number (4504572).

Almost surely, 2^13513713 is an apocalyptic number.

It is an amenable number.

13513713 is a deficient number, since it is larger than the sum of its proper divisors (4504575).

13513713 is an equidigital number, since it uses as much as digits as its factorization.

13513713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504574.

The product of its digits is 945, while the sum is 24.

The square root of 13513713 is about 3676.1002434645. The cubic root of 13513713 is about 238.1907528481.

The spelling of 13513713 in words is "thirteen million, five hundred thirteen thousand, seven hundred thirteen".