13972512 has 24 divisors (see below), whose sum is σ = 36678096. Its totient is φ = 4657472.

The previous prime is 13972507. The next prime is 13972573. The reversal of 13972512 is 21527931.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13972512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72678 + ... + 72869.

It is an arithmetic number, because the mean of its divisors is an integer number (1528254).

Almost surely, 2^13972512 is an apocalyptic number.

13972512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13972512 is an abundant number, since it is smaller than the sum of its proper divisors (22705584).

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

13972512 is a wasteful number, since it uses less digits than its factorization.

13972512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145560 (or 145552 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 13972512 is about 3737.9823434575. The cubic root of 13972512 is about 240.8563849962.

The spelling of 13972512 in words is "thirteen million, nine hundred seventy-two thousand, five hundred twelve".