12894736 has 20 divisors (see below), whose sum is σ = 25337664. Its totient is φ = 6356000.

The previous prime is 12894733. The next prime is 12894757. The reversal of 12894736 is 63749821.

It is not an unprimeable number, because it can be changed into a prime (12894731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4540 + ... + 6811.

Almost surely, 2^12894736 is an apocalyptic number.

12894736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12894736 is a deficient number, since it is larger than the sum of its proper divisors (12442928).

12894736 is a wasteful number, since it uses less digits than its factorization.

12894736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11430 (or 11424 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 12894736 is about 3590.9241150434. The cubic root of 12894736 is about 234.4971047540.

It can be divided in two parts, 128 and 94736, that added together give a square (94864 = 308²).

The spelling of 12894736 in words is "twelve million, eight hundred ninety-four thousand, seven hundred thirty-six".