12736312 has 16 divisors (see below), whose sum is σ = 24273000. Its totient is φ = 6263520.

The previous prime is 12736309. The next prime is 12736333. The reversal of 12736312 is 21363721.

It is a super-2 number, since 2×12736312² = 324427286722688, 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 in 3 ways as a sum of consecutive naturals, for example, 12562 + ... + 13537.

Almost surely, 2^12736312 is an apocalyptic number.

It is an amenable number.

12736312 is a deficient number, since it is larger than the sum of its proper divisors (11536688).

12736312 is a wasteful number, since it uses less digits than its factorization.

12736312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26166 (or 26162 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 12736312 is about 3568.7969961879. The cubic root of 12736312 is about 233.5328053904.

The spelling of 12736312 in words is "twelve million, seven hundred thirty-six thousand, three hundred twelve".