13316680 has 32 divisors (see below), whose sum is σ = 32268600. Its totient is φ = 4916736.

The previous prime is 13316671. The next prime is 13316683. The reversal of 13316680 is 8661331.

It can be written as a sum of positive squares in 4 ways, for example, as 12264004 + 1052676 = 3502^2 + 1026^2 .

It is not an unprimeable number, because it can be changed into a prime (13316683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12285 + ... + 13324.

Almost surely, 2^13316680 is an apocalyptic number.

13316680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13316680 is an abundant number, since it is smaller than the sum of its proper divisors (18951920).

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

13316680 is a wasteful number, since it uses less digits than its factorization.

13316680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25633 (or 25629 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13316680 is about 3649.2026526352. The cubic root of 13316680 is about 237.0274556192.

The spelling of 13316680 in words is "thirteen million, three hundred sixteen thousand, six hundred eighty".