13959444 has 24 divisors (see below), whose sum is σ = 32757088. Its totient is φ = 4626720.

The previous prime is 13959437. The next prime is 13959457. The reversal of 13959444 is 44495931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042 + ... + 5385.

Almost surely, 2^13959444 is an apocalyptic number.

It is an amenable number.

13959444 is an abundant number, since it is smaller than the sum of its proper divisors (18797644).

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

13959444 is a wasteful number, since it uses less digits than its factorization.

13959444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615 (or 6613 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 13959444 is about 3736.2339327189. The cubic root of 13959444 is about 240.7812734009.

The spelling of 13959444 in words is "thirteen million, nine hundred fifty-nine thousand, four hundred forty-four".