13750944 has 24 divisors (see below), whose sum is σ = 36096480. Its totient is φ = 4583616.

The previous prime is 13750921. The next prime is 13750951. The reversal of 13750944 is 44905731.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×13750944² = 378176921782272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71524 + ... + 71715.

It is an arithmetic number, because the mean of its divisors is an integer number (1504020).

Almost surely, 2^13750944 is an apocalyptic number.

It is an amenable number.

13750944 is an abundant number, since it is smaller than the sum of its proper divisors (22345536).

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

13750944 is a wasteful number, since it uses less digits than its factorization.

13750944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143252 (or 143244 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 13750944 is about 3708.2265302972. The cubic root of 13750944 is about 239.5764752735.

The spelling of 13750944 in words is "thirteen million, seven hundred fifty thousand, nine hundred forty-four".