12936831 has 8 divisors (see below), whose sum is σ = 17322240. Its totient is φ = 8587992.

The previous prime is 12936817. The next prime is 12936857. The reversal of 12936831 is 13863921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12936831 - 2¹⁰ = 12935807 is a prime.

It is a super-2 number, since 2×12936831² = 334723192645122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12936792 and 12936801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12936631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8305 + ... + 9738.

It is an arithmetic number, because the mean of its divisors is an integer number (2165280).

Almost surely, 2^12936831 is an apocalyptic number.

12936831 is a deficient number, since it is larger than the sum of its proper divisors (4385409).

12936831 is a wasteful number, since it uses less digits than its factorization.

12936831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18285.

The product of its digits is 7776, while the sum is 33.

The square root of 12936831 is about 3596.7806438536. The cubic root of 12936831 is about 234.7520003323.

The spelling of 12936831 in words is "twelve million, nine hundred thirty-six thousand, eight hundred thirty-one".