13312880 has 40 divisors (see below), whose sum is σ = 35375712. Its totient is φ = 4564224.

The previous prime is 13312879. The next prime is 13312889. The reversal of 13312880 is 8821331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312889) by changing a digit.

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, 11327 + ... + 12446.

Almost surely, 2^13312880 is an apocalyptic number.

13312880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13312880 is an abundant number, since it is smaller than the sum of its proper divisors (22062832).

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

13312880 is a wasteful number, since it uses less digits than its factorization.

13312880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23793 (or 23787 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 13312880 is about 3648.6819538019. The cubic root of 13312880 is about 237.0049077064.

The spelling of 13312880 in words is "thirteen million, three hundred twelve thousand, eight hundred eighty".