13805944 has 8 divisors (see below), whose sum is σ = 25886160. Its totient is φ = 6902968.

The previous prime is 13805933. The next prime is 13805969. The reversal of 13805944 is 44950831.

13805944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×13805944² = 381208179462272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862864 + ... + 862879.

It is an arithmetic number, because the mean of its divisors is an integer number (3235770).

Almost surely, 2^13805944 is an apocalyptic number.

It is an amenable number.

13805944 is a deficient number, since it is larger than the sum of its proper divisors (12080216).

13805944 is a wasteful number, since it uses less digits than its factorization.

13805944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725749 (or 1725745 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 13805944 is about 3715.6350735776. The cubic root of 13805944 is about 239.8954637332.

The spelling of 13805944 in words is "thirteen million, eight hundred five thousand, nine hundred forty-four".