12623287 has 2 divisors, whose sum is σ = 12623288. Its totient is φ = 12623286.

The previous prime is 12623189. The next prime is 12623311. The reversal of 12623287 is 78232621.

It is a strong prime.

It is an emirp because it is prime and its reverse (78232621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12623287 - 2²³ = 4234679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12627287) 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, 6311643 + 6311644.

It is an arithmetic number, because the mean of its divisors is an integer number (6311644).

Almost surely, 2^12623287 is an apocalyptic number.

12623287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12623287 is an equidigital number, since it uses as much as digits as its factorization.

12623287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 12623287 is about 3552.9265401919. The cubic root of 12623287 is about 232.8399436171.

The spelling of 12623287 in words is "twelve million, six hundred twenty-three thousand, two hundred eighty-seven".