13397264 has 20 divisors (see below), whose sum is σ = 26015820. Its totient is φ = 6683520.

The previous prime is 13397249. The next prime is 13397269. The reversal of 13397264 is 46279331.

It can be written as a sum of positive squares in 2 ways, for example, as 7246864 + 6150400 = 2692^2 + 2480^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13397269) 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, 10754 + ... + 11934.

It is an arithmetic number, because the mean of its divisors is an integer number (1300791).

Almost surely, 2^13397264 is an apocalyptic number.

It is an amenable number.

13397264 is a deficient number, since it is larger than the sum of its proper divisors (12618556).

13397264 is a wasteful number, since it uses less digits than its factorization.

13397264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1892 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 13397264 is about 3660.2273153453. The cubic root of 13397264 is about 237.5046071128.

The spelling of 13397264 in words is "thirteen million, three hundred ninety-seven thousand, two hundred sixty-four".