13670688 has 24 divisors (see below), whose sum is σ = 35885808. Its totient is φ = 4556864.

The previous prime is 13670651. The next prime is 13670707. The reversal of 13670688 is 88607631.

It is a tau number, because it is divible by the number of its divisors (24).

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, 71106 + ... + 71297.

It is an arithmetic number, because the mean of its divisors is an integer number (1495242).

Almost surely, 2^13670688 is an apocalyptic number.

It is an amenable number.

13670688 is an abundant number, since it is smaller than the sum of its proper divisors (22215120).

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

13670688 is a wasteful number, since it uses less digits than its factorization.

13670688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142416 (or 142408 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 13670688 is about 3697.3893492571. The cubic root of 13670688 is about 239.1094775722.

The spelling of 13670688 in words is "thirteen million, six hundred seventy thousand, six hundred eighty-eight".