13156980 has 48 divisors (see below), whose sum is σ = 39009600. Its totient is φ = 3301888.

The previous prime is 13156973. The next prime is 13156993. The reversal of 13156980 is 8965131.

It is a super-2 number, since 2×13156980² = 346212245440800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5430 + ... + 7469.

It is an arithmetic number, because the mean of its divisors is an integer number (812700).

Almost surely, 2^13156980 is an apocalyptic number.

13156980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13156980 is an abundant number, since it is smaller than the sum of its proper divisors (25852620).

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

13156980 is a wasteful number, since it uses less digits than its factorization.

13156980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12928 (or 12926 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 13156980 is about 3627.2551605863. The cubic root of 13156980 is about 236.0761269300.

The spelling of 13156980 in words is "thirteen million, one hundred fifty-six thousand, nine hundred eighty".