13157528 has 8 divisors (see below), whose sum is σ = 24670380. Its totient is φ = 6578760.

The previous prime is 13157497. The next prime is 13157537. The reversal of 13157528 is 82575131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13157494 and 13157503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 822338 + ... + 822353.

Almost surely, 2^13157528 is an apocalyptic number.

It is an amenable number.

13157528 is a deficient number, since it is larger than the sum of its proper divisors (11512852).

13157528 is a wasteful number, since it uses less digits than its factorization.

13157528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644697 (or 1644693 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 13157528 is about 3627.3306990127. The cubic root of 13157528 is about 236.0794044785.

The spelling of 13157528 in words is "thirteen million, one hundred fifty-seven thousand, five hundred twenty-eight".