12577879 has 2 divisors, whose sum is σ = 12577880. Its totient is φ = 12577878.

The previous prime is 12577819. The next prime is 12577889. The reversal of 12577879 is 97877521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12577879 - 2⁷ = 12577751 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 (12577819) 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, 6288939 + 6288940.

It is an arithmetic number, because the mean of its divisors is an integer number (6288940).

Almost surely, 2^12577879 is an apocalyptic number.

12577879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12577879 is an equidigital number, since it uses as much as digits as its factorization.

12577879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 46.

The square root of 12577879 is about 3546.5305581653. The cubic root of 12577879 is about 232.5604205709.

It can be divided in two parts, 12577 and 879, that added together give a square (13456 = 116²).

The spelling of 12577879 in words is "twelve million, five hundred seventy-seven thousand, eight hundred seventy-nine".