13972944 has 20 divisors (see below), whose sum is σ = 36096896. Its totient is φ = 4657632.

The previous prime is 13972943. The next prime is 13972949. The reversal of 13972944 is 44927931.

13972944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13972943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145504 + ... + 145599.

Almost surely, 2^13972944 is an apocalyptic number.

It is an amenable number.

13972944 is an abundant number, since it is smaller than the sum of its proper divisors (22123952).

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

13972944 is a wasteful number, since it uses less digits than its factorization.

13972944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291114 (or 291108 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 13972944 is about 3738.0401281955. The cubic root of 13972944 is about 240.8588672243.

The spelling of 13972944 in words is "thirteen million, nine hundred seventy-two thousand, nine hundred forty-four".