13312580 has 12 divisors (see below), whose sum is σ = 27956460. Its totient is φ = 5325024.

The previous prime is 13312553. The next prime is 13312589. The reversal of 13312580 is 8521331.

It can be written as a sum of positive squares in 2 ways, for example, as 1643524 + 11669056 = 1282^2 + 3416^2 .

It is not an unprimeable number, because it can be changed into a prime (13312589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332795 + ... + 332834.

It is an arithmetic number, because the mean of its divisors is an integer number (2329705).

Almost surely, 2^13312580 is an apocalyptic number.

13312580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13312580 is an abundant number, since it is smaller than the sum of its proper divisors (14643880).

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

13312580 is a wasteful number, since it uses less digits than its factorization.

13312580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665638 (or 665636 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13312580 is about 3648.6408428345. The cubic root of 13312580 is about 237.0031274252.

The spelling of 13312580 in words is "thirteen million, three hundred twelve thousand, five hundred eighty".