13947044 has 12 divisors (see below), whose sum is σ = 24433500. Its totient is φ = 6966048.

The previous prime is 13947029. The next prime is 13947061. The reversal of 13947044 is 44074931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12334144 + 1612900 = 3512^2 + 1270^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13947044.

It is a congruent number.

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, 6182 + ... + 8130.

It is an arithmetic number, because the mean of its divisors is an integer number (2036125).

Almost surely, 2^13947044 is an apocalyptic number.

It is an amenable number.

13947044 is a deficient number, since it is larger than the sum of its proper divisors (10486456).

13947044 is a wasteful number, since it uses less digits than its factorization.

13947044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742 (or 3740 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 13947044 is about 3734.5741390418. The cubic root of 13947044 is about 240.7099579465.

The spelling of 13947044 in words is "thirteen million, nine hundred forty-seven thousand, forty-four".