13937144 has 32 divisors (see below), whose sum is σ = 29801520. Its totient is φ = 6053376.

The previous prime is 13937137. The next prime is 13937153. The reversal of 13937144 is 44173931.

It is a self number, because there is not a number n which added to its sum of digits gives 13937144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2174 + ... + 5709.

Almost surely, 2^13937144 is an apocalyptic number.

It is an amenable number.

13937144 is an abundant number, since it is smaller than the sum of its proper divisors (15864376).

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

13937144 is a wasteful number, since it uses less digits than its factorization.

13937144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919 (or 7915 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 13937144 is about 3733.2484514160. The cubic root of 13937144 is about 240.6529902561.

The spelling of 13937144 in words is "thirteen million, nine hundred thirty-seven thousand, one hundred forty-four".