13380688 has 20 divisors (see below), whose sum is σ = 25983828. Its totient is φ = 6675200.

The previous prime is 13380659. The next prime is 13380707. The reversal of 13380688 is 88608331.

It can be written as a sum of positive squares in 2 ways, for example, as 9412624 + 3968064 = 3068^2 + 1992^2 .

It is a super-2 number, since 2×13380688² = 358085622706688, 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 3 ways as a sum of consecutive naturals, for example, 10620 + ... + 11812.

Almost surely, 2^13380688 is an apocalyptic number.

It is an amenable number.

13380688 is a deficient number, since it is larger than the sum of its proper divisors (12603140).

13380688 is a wasteful number, since it uses less digits than its factorization.

13380688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 13380688 is about 3657.9622742724. The cubic root of 13380688 is about 237.4066144396.

The spelling of 13380688 in words is "thirteen million, three hundred eighty thousand, six hundred eighty-eight".