13056580 has 24 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 5053920.

The previous prime is 13056559. The next prime is 13056599. The reversal of 13056580 is 8565031.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9910 + ... + 11149.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^13056580 is an apocalyptic number.

13056580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13056580 is an abundant number, since it is smaller than the sum of its proper divisors (15248060).

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

13056580 is a wasteful number, since it uses less digits than its factorization.

13056580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21099 (or 21097 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 13056580 is about 3613.3889909613. The cubic root of 13056580 is about 235.4740994741.

The spelling of 13056580 in words is "thirteen million, fifty-six thousand, five hundred eighty".