12631583 has 2 divisors, whose sum is σ = 12631584. Its totient is φ = 12631582.

The previous prime is 12631573. The next prime is 12631589. The reversal of 12631583 is 38513621.

It is a strong prime.

It is an emirp because it is prime and its reverse (38513621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12631583 - 2⁶ = 12631519 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12631589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315791 + 6315792.

It is an arithmetic number, because the mean of its divisors is an integer number (6315792).

Almost surely, 2^12631583 is an apocalyptic number.

12631583 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631583 is an equidigital number, since it uses as much as digits as its factorization.

12631583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 12631583 is about 3554.0938366903. The cubic root of 12631583 is about 232.8909397686.

The spelling of 12631583 in words is "twelve million, six hundred thirty-one thousand, five hundred eighty-three".