13057528 has 16 divisors (see below), whose sum is σ = 26708760. Its totient is φ = 5935200.

The previous prime is 13057523. The next prime is 13057543. The reversal of 13057528 is 82575031.

It is a self number, because there is not a number n which added to its sum of digits gives 13057528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13057523) 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, 74103 + ... + 74278.

Almost surely, 2^13057528 is an apocalyptic number.

It is an amenable number.

13057528 is an abundant number, since it is smaller than the sum of its proper divisors (13651232).

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

13057528 is a wasteful number, since it uses less digits than its factorization.

13057528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148398 (or 148394 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 13057528 is about 3613.5201673714. The cubic root of 13057528 is about 235.4797983642.

The spelling of 13057528 in words is "thirteen million, fifty-seven thousand, five hundred twenty-eight".