12633931 has 2 divisors, whose sum is σ = 12633932. Its totient is φ = 12633930.

The previous prime is 12633911. The next prime is 12633949. The reversal of 12633931 is 13933621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12633931 - 2⁵ = 12633899 is a prime.

It is a super-2 number, since 2×12633931² = 319232425025522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12633931.

It is not a weakly prime, because it can be changed into another prime (12633911) by changing a digit.

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, 6316965 + 6316966.

It is an arithmetic number, because the mean of its divisors is an integer number (6316966).

Almost surely, 2^12633931 is an apocalyptic number.

12633931 is a deficient number, since it is larger than the sum of its proper divisors (1).

12633931 is an equidigital number, since it uses as much as digits as its factorization.

12633931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 28.

The square root of 12633931 is about 3554.4241446400. The cubic root of 12633931 is about 232.9053690514.

The spelling of 12633931 in words is "twelve million, six hundred thirty-three thousand, nine hundred thirty-one".