12631873 has 2 divisors, whose sum is σ = 12631874. Its totient is φ = 12631872.

The previous prime is 12631831. The next prime is 12631877. The reversal of 12631873 is 37813621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10284849 + 2347024 = 3207^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 12631873 - 2⁹ = 12631361 is a prime.

It is not a weakly prime, because it can be changed into another prime (12631877) 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, 6315936 + 6315937.

It is an arithmetic number, because the mean of its divisors is an integer number (6315937).

Almost surely, 2^12631873 is an apocalyptic number.

It is an amenable number.

12631873 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631873 is an equidigital number, since it uses as much as digits as its factorization.

12631873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 12631873 is about 3554.1346344786. The cubic root of 12631873 is about 232.8927220170.

It can be divided in two parts, 1263 and 1873, that added together give a square (3136 = 56²).

The spelling of 12631873 in words is "twelve million, six hundred thirty-one thousand, eight hundred seventy-three".