13055724 has 36 divisors (see below), whose sum is σ = 36003240. Its totient is φ = 3956160.

The previous prime is 13055719. The next prime is 13055737. The reversal of 13055724 is 42755031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16089 + ... + 16880.

It is an arithmetic number, because the mean of its divisors is an integer number (1000090).

Almost surely, 2^13055724 is an apocalyptic number.

It is an amenable number.

13055724 is an abundant number, since it is smaller than the sum of its proper divisors (22947516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13055724 is a wasteful number, since it uses less digits than its factorization.

13055724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32990 (or 32985 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 13055724 is about 3613.2705406598. The cubic root of 13055724 is about 235.4689534038.

The spelling of 13055724 in words is "thirteen million, fifty-five thousand, seven hundred twenty-four".