13397913 has 32 divisors (see below), whose sum is σ = 20908800. Its totient is φ = 8467200.

The previous prime is 13397911. The next prime is 13397933. The reversal of 13397913 is 31979331.

It is not a de Polignac number, because 13397913 - 2¹ = 13397911 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13397911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55473 + ... + 55713.

It is an arithmetic number, because the mean of its divisors is an integer number (653400).

Almost surely, 2^13397913 is an apocalyptic number.

It is an amenable number.

13397913 is a deficient number, since it is larger than the sum of its proper divisors (7510887).

13397913 is a wasteful number, since it uses less digits than its factorization.

13397913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 344 counting only the distinct ones).

The product of its digits is 15309, while the sum is 36.

The square root of 13397913 is about 3660.3159699676. The cubic root of 13397913 is about 237.5084421745.

The spelling of 13397913 in words is "thirteen million, three hundred ninety-seven thousand, nine hundred thirteen".