12623867 has 2 divisors, whose sum is σ = 12623868. Its totient is φ = 12623866.

The previous prime is 12623857. The next prime is 12623869. The reversal of 12623867 is 76832621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12623867 - 2¹⁶ = 12558331 is a prime.

Together with 12623869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12623869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6311933 + 6311934.

It is an arithmetic number, because the mean of its divisors is an integer number (6311934).

Almost surely, 2^12623867 is an apocalyptic number.

12623867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12623867 is an equidigital number, since it uses as much as digits as its factorization.

12623867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 12623867 is about 3553.0081621071. The cubic root of 12623867 is about 232.8435096481.

The spelling of 12623867 in words is "twelve million, six hundred twenty-three thousand, eight hundred sixty-seven".