12425999 has 2 divisors, whose sum is σ = 12426000. Its totient is φ = 12425998.

The previous prime is 12425977. The next prime is 12426041. The reversal of 12425999 is 99952421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12425999 - 2²⁰ = 11377423 is a prime.

It is a super-2 number, since 2×12425999² = 308810902296002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12425909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212999 + 6213000.

It is an arithmetic number, because the mean of its divisors is an integer number (6213000).

Almost surely, 2^12425999 is an apocalyptic number.

12425999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12425999 is an equidigital number, since it uses as much as digits as its factorization.

12425999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 41.

The square root of 12425999 is about 3525.0530492462. The cubic root of 12425999 is about 231.6205586574.

The spelling of 12425999 in words is "twelve million, four hundred twenty-five thousand, nine hundred ninety-nine".