13597944 has 32 divisors (see below), whose sum is σ = 34915920. Its totient is φ = 4409856.

The previous prime is 13597921. The next prime is 13597963. The reversal of 13597944 is 44979531.

It is a junction number, because it is equal to n+sod(n) for n = 13597896 and 13597905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6769 + ... + 8544.

Almost surely, 2^13597944 is an apocalyptic number.

It is an amenable number.

13597944 is an abundant number, since it is smaller than the sum of its proper divisors (21317976).

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

13597944 is a wasteful number, since it uses less digits than its factorization.

13597944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15359 (or 15355 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 13597944 is about 3687.5390167427. The cubic root of 13597944 is about 238.6846093408.

It can be divided in two parts, 13597 and 944, that added together give a palindrome (14541).

The spelling of 13597944 in words is "thirteen million, five hundred ninety-seven thousand, nine hundred forty-four".