12578959 has 2 divisors, whose sum is σ = 12578960. Its totient is φ = 12578958.

The previous prime is 12578947. The next prime is 12578983. The reversal of 12578959 is 95987521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12578959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12578359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6289479 + 6289480.

It is an arithmetic number, because the mean of its divisors is an integer number (6289480).

Almost surely, 2^12578959 is an apocalyptic number.

12578959 is a deficient number, since it is larger than the sum of its proper divisors (1).

12578959 is an equidigital number, since it uses as much as digits as its factorization.

12578959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 46.

The square root of 12578959 is about 3546.6828163793. The cubic root of 12578959 is about 232.5670766498.

The spelling of 12578959 in words is "twelve million, five hundred seventy-eight thousand, nine hundred fifty-nine".