13985992 has 16 divisors (see below), whose sum is σ = 26268300. Its totient is φ = 6981120.

The previous prime is 13985989. The next prime is 13986013. The reversal of 13985992 is 29958931.

It can be written as a sum of positive squares in 2 ways, for example, as 12916836 + 1069156 = 3594^2 + 1034^2 .

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 3 ways as a sum of consecutive naturals, for example, 5392 + ... + 7552.

Almost surely, 2^13985992 is an apocalyptic number.

It is an amenable number.

13985992 is a deficient number, since it is larger than the sum of its proper divisors (12282308).

13985992 is a wasteful number, since it uses less digits than its factorization.

13985992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976 (or 2972 counting only the distinct ones).

The product of its digits is 174960, while the sum is 46.

The square root of 13985992 is about 3739.7850205593. The cubic root of 13985992 is about 240.9338156097.

The spelling of 13985992 in words is "thirteen million, nine hundred eighty-five thousand, nine hundred ninety-two".