13907664 has 30 divisors (see below), whose sum is σ = 38922546. Its totient is φ = 4635840.

The previous prime is 13907603. The next prime is 13907681. The reversal of 13907664 is 46670931.

It can be written as a sum of positive squares in only one way, i.e., 7617600 + 6290064 = 2760^2 + 2508^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48147 + ... + 48434.

Almost surely, 2^13907664 is an apocalyptic number.

It is an amenable number.

13907664 is an abundant number, since it is smaller than the sum of its proper divisors (25014882).

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

13907664 is a wasteful number, since it uses less digits than its factorization.

13907664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96595 (or 96586 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 13907664 is about 3729.2980572757. The cubic root of 13907664 is about 240.4831931985.

The spelling of 13907664 in words is "thirteen million, nine hundred seven thousand, six hundred sixty-four".