12831937 has 2 divisors, whose sum is σ = 12831938. Its totient is φ = 12831936.

The previous prime is 12831919. The next prime is 12831961. The reversal of 12831937 is 73913821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9006001 + 3825936 = 3001^2 + 1956^2 .

It is an emirp because it is prime and its reverse (73913821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12831937 - 2⁷ = 12831809 is a prime.

It is not a weakly prime, because it can be changed into another prime (12831967) 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, 6415968 + 6415969.

It is an arithmetic number, because the mean of its divisors is an integer number (6415969).

Almost surely, 2^12831937 is an apocalyptic number.

It is an amenable number.

12831937 is a deficient number, since it is larger than the sum of its proper divisors (1).

12831937 is an equidigital number, since it uses as much as digits as its factorization.

12831937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 12831937 is about 3582.1693148147. The cubic root of 12831937 is about 234.1158082131.

The spelling of 12831937 in words is "twelve million, eight hundred thirty-one thousand, nine hundred thirty-seven".