12257944 has 8 divisors (see below), whose sum is σ = 22983660. Its totient is φ = 6128968.

The previous prime is 12257933. The next prime is 12257951. The reversal of 12257944 is 44975221.

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

It is a super-2 number, since 2×12257944² = 300514382214272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766114 + ... + 766129.

Almost surely, 2^12257944 is an apocalyptic number.

It is an amenable number.

12257944 is a deficient number, since it is larger than the sum of its proper divisors (10725716).

12257944 is a wasteful number, since it uses less digits than its factorization.

12257944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532249 (or 1532245 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 12257944 is about 3501.1346732167. The cubic root of 12257944 is about 230.5716341835.

The spelling of 12257944 in words is "twelve million, two hundred fifty-seven thousand, nine hundred forty-four".