12743944 has 8 divisors (see below), whose sum is σ = 23894910. Its totient is φ = 6371968.

The previous prime is 12743933. The next prime is 12743977. The reversal of 12743944 is 44934721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10304100 + 2439844 = 3210^2 + 1562^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 796489 + ... + 796504.

Almost surely, 2^12743944 is an apocalyptic number.

It is an amenable number.

12743944 is a deficient number, since it is larger than the sum of its proper divisors (11150966).

12743944 is a wasteful number, since it uses less digits than its factorization.

12743944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592999 (or 1592995 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 12743944 is about 3569.8661039316. The cubic root of 12743944 is about 233.5794428179.

The spelling of 12743944 in words is "twelve million, seven hundred forty-three thousand, nine hundred forty-four".