13124397 has 16 divisors (see below), whose sum is σ = 20559168. Its totient is φ = 7342080.

The previous prime is 13124393. The next prime is 13124399. The reversal of 13124397 is 79342131.

It is not a de Polignac number, because 13124397 - 2² = 13124393 is a prime.

It is a super-2 number, since 2×13124397² = 344499593227218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14868 + ... + 15725.

It is an arithmetic number, because the mean of its divisors is an integer number (1284948).

Almost surely, 2^13124397 is an apocalyptic number.

It is an amenable number.

13124397 is a deficient number, since it is larger than the sum of its proper divisors (7434771).

13124397 is a wasteful number, since it uses less digits than its factorization.

13124397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30620.

The product of its digits is 4536, while the sum is 30.

The square root of 13124397 is about 3622.7609636850. The cubic root of 13124397 is about 235.8810865548.

It can be divided in two parts, 13 and 124397, that multiplied together give a palindrome (1617161).

The spelling of 13124397 in words is "thirteen million, one hundred twenty-four thousand, three hundred ninety-seven".