12443944 has 16 divisors (see below), whose sum is σ = 23404500. Its totient is φ = 6202752.

The previous prime is 12443933. The next prime is 12443953. The reversal of 12443944 is 44934421.

12443944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11819844 + 624100 = 3438^2 + 790^2 .

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, 564 + ... + 5020.

Almost surely, 2^12443944 is an apocalyptic number.

It is an amenable number.

12443944 is a deficient number, since it is larger than the sum of its proper divisors (10960556).

12443944 is a wasteful number, since it uses less digits than its factorization.

12443944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812 (or 4808 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 12443944 is about 3527.5974827069. The cubic root of 12443944 is about 231.7320032635.

The spelling of 12443944 in words is "twelve million, four hundred forty-three thousand, nine hundred forty-four".