13997912 has 16 divisors (see below), whose sum is σ = 26349840. Its totient is φ = 6971296.

The previous prime is 13997911. The next prime is 13997917. The reversal of 13997912 is 21979931.

It is a self number, because there is not a number n which added to its sum of digits gives 13997912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13997911) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1223 + ... + 5430.

It is an arithmetic number, because the mean of its divisors is an integer number (1646865).

Almost surely, 2^13997912 is an apocalyptic number.

It is an amenable number.

13997912 is a deficient number, since it is larger than the sum of its proper divisors (12351928).

13997912 is a wasteful number, since it uses less digits than its factorization.

13997912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922 (or 6918 counting only the distinct ones).

The product of its digits is 30618, while the sum is 41.

The square root of 13997912 is about 3741.3783556331. The cubic root of 13997912 is about 241.0022439717.

The spelling of 13997912 in words is "thirteen million, nine hundred ninety-seven thousand, nine hundred twelve".