12530879 has 2 divisors, whose sum is σ = 12530880. Its totient is φ = 12530878.

The previous prime is 12530873. The next prime is 12530891. The reversal of 12530879 is 97803521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12530879 - 2⁴ = 12530863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12530873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265439 + 6265440.

It is an arithmetic number, because the mean of its divisors is an integer number (6265440).

Almost surely, 2^12530879 is an apocalyptic number.

12530879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12530879 is an equidigital number, since it uses as much as digits as its factorization.

12530879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 12530879 is about 3539.8981623770. The cubic root of 12530879 is about 232.2703880294.

The spelling of 12530879 in words is "twelve million, five hundred thirty thousand, eight hundred seventy-nine".