13213880 has 16 divisors (see below), whose sum is σ = 29731320. Its totient is φ = 5285536.

The previous prime is 13213867. The next prime is 13213901. The reversal of 13213880 is 8831231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165134 + ... + 165213.

Almost surely, 2^13213880 is an apocalyptic number.

13213880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213880 is an abundant number, since it is smaller than the sum of its proper divisors (16517440).

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

13213880 is a wasteful number, since it uses less digits than its factorization.

13213880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330358 (or 330354 counting only the distinct ones).

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

The square root of 13213880 is about 3635.0900951696. The cubic root of 13213880 is about 236.4159570387.

The spelling of 13213880 in words is "thirteen million, two hundred thirteen thousand, eight hundred eighty".