12559231 has 2 divisors, whose sum is σ = 12559232. Its totient is φ = 12559230.

The previous prime is 12559213. The next prime is 12559259. The reversal of 12559231 is 13295521.

Together with previous prime (12559213) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (12559259) can be obtained adding 12559231 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12559231 - 2⁷ = 12559103 is a prime.

It is a super-2 number, since 2×12559231² = 315468566622722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12559231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12559531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6279615 + 6279616.

It is an arithmetic number, because the mean of its divisors is an integer number (6279616).

Almost surely, 2^12559231 is an apocalyptic number.

12559231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12559231 is an equidigital number, since it uses as much as digits as its factorization.

12559231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 28.

The square root of 12559231 is about 3543.9005347216. The cubic root of 12559231 is about 232.4454321394.

The spelling of 12559231 in words is "twelve million, five hundred fifty-nine thousand, two hundred thirty-one".