12500459 has 2 divisors, whose sum is σ = 12500460. Its totient is φ = 12500458.

The previous prime is 12500443. The next prime is 12500513. The reversal of 12500459 is 95400521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12500459 - 2⁴ = 12500443 is a prime.

It is a super-2 number, since 2×12500459² = 312522950421362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12500419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250229 + 6250230.

It is an arithmetic number, because the mean of its divisors is an integer number (6250230).

Almost surely, 2^12500459 is an apocalyptic number.

12500459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12500459 is an equidigital number, since it uses as much as digits as its factorization.

12500459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 12500459 is about 3535.5988177394. The cubic root of 12500459 is about 232.0822822982.

The spelling of 12500459 in words is "twelve million, five hundred thousand, four hundred fifty-nine".