13157580 has 24 divisors (see below), whose sum is σ = 36841392. Its totient is φ = 3508672.

The previous prime is 13157567. The next prime is 13157611. The reversal of 13157580 is 8575131.

It is a super-2 number, since 2×13157580² = 346243822912800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109587 + ... + 109706.

It is an arithmetic number, because the mean of its divisors is an integer number (1535058).

Almost surely, 2^13157580 is an apocalyptic number.

13157580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13157580 is an abundant number, since it is smaller than the sum of its proper divisors (23683812).

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

13157580 is a wasteful number, since it uses less digits than its factorization.

13157580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219305 (or 219303 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 13157580 is about 3627.3378668109. The cubic root of 13157580 is about 236.0797154821.

The spelling of 13157580 in words is "thirteen million, one hundred fifty-seven thousand, five hundred eighty".