13972744 has 16 divisors (see below), whose sum is σ = 26459820. Its totient is φ = 6916800.

The previous prime is 13972741. The next prime is 13972747. The reversal of 13972744 is 44727931.

It is an interprime number because it is at equal distance from previous prime (13972741) and next prime (13972747).

It can be written as a sum of positive squares in 2 ways, for example, as 13972644 + 100 = 3738^2 + 10^2 .

It is not an unprimeable number, because it can be changed into a prime (13972741) 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, 7839 + ... + 9454.

Almost surely, 2^13972744 is an apocalyptic number.

It is an amenable number.

13972744 is a deficient number, since it is larger than the sum of its proper divisors (12487076).

13972744 is a wasteful number, since it uses less digits than its factorization.

13972744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17400 (or 17396 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 13972744 is about 3738.0133761130. The cubic root of 13972744 is about 240.8577180510.

The spelling of 13972744 in words is "thirteen million, nine hundred seventy-two thousand, seven hundred forty-four".