13713668 has 18 divisors (see below), whose sum is σ = 25331166. Its totient is φ = 6495264.

The previous prime is 13713659. The next prime is 13713673. The reversal of 13713668 is 86631731.

It can be written as a sum of positive squares in only one way, i.e., 8340544 + 5373124 = 2888^2 + 2318^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3305 + ... + 6192.

It is an arithmetic number, because the mean of its divisors is an integer number (1407287).

Almost surely, 2^13713668 is an apocalyptic number.

It is an amenable number.

13713668 is a deficient number, since it is larger than the sum of its proper divisors (11617498).

13713668 is a wasteful number, since it uses less digits than its factorization.

13713668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9539 (or 9518 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 13713668 is about 3703.1969971904. The cubic root of 13713668 is about 239.3597984061.

The spelling of 13713668 in words is "thirteen million, seven hundred thirteen thousand, six hundred sixty-eight".