12623951 has 2 divisors, whose sum is σ = 12623952. Its totient is φ = 12623950.

The previous prime is 12623929. The next prime is 12623953. The reversal of 12623951 is 15932621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12623951 - 2¹⁸ = 12361807 is a prime.

Together with 12623953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12623953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6311975 + 6311976.

It is an arithmetic number, because the mean of its divisors is an integer number (6311976).

Almost surely, 2^12623951 is an apocalyptic number.

12623951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12623951 is an equidigital number, since it uses as much as digits as its factorization.

12623951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 12623951 is about 3553.0199830567. The cubic root of 12623951 is about 232.8440260987.

The spelling of 12623951 in words is "twelve million, six hundred twenty-three thousand, nine hundred fifty-one".