12625999 has 2 divisors, whose sum is σ = 12626000. Its totient is φ = 12625998.

The previous prime is 12625993. The next prime is 12626023. The reversal of 12625999 is 99952621.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99952621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12625999 - 2⁷ = 12625871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12625993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312999 + 6313000.

It is an arithmetic number, because the mean of its divisors is an integer number (6313000).

Almost surely, 2^12625999 is an apocalyptic number.

12625999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12625999 is an equidigital number, since it uses as much as digits as its factorization.

12625999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 43.

The square root of 12625999 is about 3553.3081768966. The cubic root of 12625999 is about 232.8566169477.

The spelling of 12625999 in words is "twelve million, six hundred twenty-five thousand, nine hundred ninety-nine".