13057880 has 64 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 4658560.

The previous prime is 13057841. The next prime is 13057909. The reversal of 13057880 is 8875031.

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, 25709 + ... + 26211.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

Almost surely, 2^13057880 is an apocalyptic number.

13057880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13057880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16329600).

13057880 is an abundant number, since it is smaller than the sum of its proper divisors (19601320).

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

13057880 is a wasteful number, since it uses less digits than its factorization.

13057880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 13057880 is about 3613.5688730118. The cubic root of 13057880 is about 235.4819143375.

The spelling of 13057880 in words is "thirteen million, fifty-seven thousand, eight hundred eighty".