13660716 has 12 divisors (see below), whose sum is σ = 31875032. Its totient is φ = 4553568.

The previous prime is 13660663. The next prime is 13660763. The reversal of 13660716 is 61706631.

It is a tau number, because it is divible by the number of its divisors (12).

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, 569185 + ... + 569208.

Almost surely, 2^13660716 is an apocalyptic number.

It is an amenable number.

13660716 is an abundant number, since it is smaller than the sum of its proper divisors (18214316).

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

13660716 is a wasteful number, since it uses less digits than its factorization.

13660716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138400 (or 1138398 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 13660716 is about 3696.0405841928. The cubic root of 13660716 is about 239.0513244466.

The spelling of 13660716 in words is "thirteen million, six hundred sixty thousand, seven hundred sixteen".