13312380 has 24 divisors (see below), whose sum is σ = 37274832. Its totient is φ = 3549952.

The previous prime is 13312379. The next prime is 13312391. The reversal of 13312380 is 8321331.

It is a happy number.

13312380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13312380² = 354438922528800, 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 7 ways as a sum of consecutive naturals, for example, 110877 + ... + 110996.

It is an arithmetic number, because the mean of its divisors is an integer number (1553118).

Almost surely, 2^13312380 is an apocalyptic number.

13312380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13312380 is an abundant number, since it is smaller than the sum of its proper divisors (23962452).

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

13312380 is a wasteful number, since it uses less digits than its factorization.

13312380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221885 (or 221883 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13312380 is about 3648.6134352655. The cubic root of 13312380 is about 237.0019405563.

The spelling of 13312380 in words is "thirteen million, three hundred twelve thousand, three hundred eighty".