13942744 has 8 divisors (see below), whose sum is σ = 26142660. Its totient is φ = 6971368.

The previous prime is 13942741. The next prime is 13942757. The reversal of 13942744 is 44724931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13942744² = 388800220499072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13942741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871414 + ... + 871429.

Almost surely, 2^13942744 is an apocalyptic number.

It is an amenable number.

13942744 is a deficient number, since it is larger than the sum of its proper divisors (12199916).

13942744 is a wasteful number, since it uses less digits than its factorization.

13942744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742849 (or 1742845 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 13942744 is about 3733.9983931437. The cubic root of 13942744 is about 240.6852177169.

The spelling of 13942744 in words is "thirteen million, nine hundred forty-two thousand, seven hundred forty-four".