12325559 has 4 divisors (see below), whose sum is σ = 12389616. Its totient is φ = 12261504.

The previous prime is 12325553. The next prime is 12325567. The reversal of 12325559 is 95552321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95552321 = 43 ⋅2222147.

It is a cyclic number.

It is not a de Polignac number, because 12325559 - 2²⁰ = 11276983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325553) 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 in 3 ways as a sum of consecutive naturals, for example, 31739 + ... + 32124.

It is an arithmetic number, because the mean of its divisors is an integer number (3097404).

Almost surely, 2^12325559 is an apocalyptic number.

12325559 is a deficient number, since it is larger than the sum of its proper divisors (64057).

12325559 is an equidigital number, since it uses as much as digits as its factorization.

12325559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64056.

The product of its digits is 13500, while the sum is 32.

The square root of 12325559 is about 3510.7775492047. Note that the first 3 decimals coincide. The cubic root of 12325559 is about 230.9948025792.

The spelling of 12325559 in words is "twelve million, three hundred twenty-five thousand, five hundred fifty-nine".