13993912 has 8 divisors (see below), whose sum is σ = 26238600. Its totient is φ = 6996952.

The previous prime is 13993909. The next prime is 13993933. The reversal of 13993912 is 21939931.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 874612 + ... + 874627.

It is an arithmetic number, because the mean of its divisors is an integer number (3279825).

Almost surely, 2^13993912 is an apocalyptic number.

It is an amenable number.

13993912 is a deficient number, since it is larger than the sum of its proper divisors (12244688).

13993912 is a wasteful number, since it uses less digits than its factorization.

13993912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749245 (or 1749241 counting only the distinct ones).

The product of its digits is 13122, while the sum is 37.

The square root of 13993912 is about 3740.8437550906. The cubic root of 13993912 is about 240.9792857663.

The spelling of 13993912 in words is "thirteen million, nine hundred ninety-three thousand, nine hundred twelve".