13942644 has 48 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 4460896.

The previous prime is 13942639. The next prime is 13942661. The reversal of 13942644 is 44624931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33067 + ... + 33485.

It is an arithmetic number, because the mean of its divisors is an integer number (705600).

Almost surely, 2^13942644 is an apocalyptic number.

It is an amenable number.

13942644 is an abundant number, since it is smaller than the sum of its proper divisors (19926156).

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

13942644 is a wasteful number, since it uses less digits than its factorization.

13942644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 13942644 is about 3733.9850026480. The cubic root of 13942644 is about 240.6846423022.

The spelling of 13942644 in words is "thirteen million, nine hundred forty-two thousand, six hundred forty-four".