12623953 has 2 divisors, whose sum is σ = 12623954. Its totient is φ = 12623952.

The previous prime is 12623951. The next prime is 12623959. The reversal of 12623953 is 35932621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12623809 + 144 = 3553^2 + 12^2 .

It is a cyclic number.

It is not a de Polignac number, because 12623953 - 2¹ = 12623951 is a prime.

Together with 12623951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12623951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6311976 + 6311977.

It is an arithmetic number, because the mean of its divisors is an integer number (6311977).

Almost surely, 2^12623953 is an apocalyptic number.

It is an amenable number.

12623953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12623953 is an equidigital number, since it uses as much as digits as its factorization.

12623953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 12623953 is about 3553.0202645074. The cubic root of 12623953 is about 232.8440383951.

The spelling of 12623953 in words is "twelve million, six hundred twenty-three thousand, nine hundred fifty-three".