12554579 has 2 divisors, whose sum is σ = 12554580. Its totient is φ = 12554578.

The previous prime is 12554557. The next prime is 12554623. The reversal of 12554579 is 97545521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (97545521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12554579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12554879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277289 + 6277290.

It is an arithmetic number, because the mean of its divisors is an integer number (6277290).

Almost surely, 2^12554579 is an apocalyptic number.

12554579 is a deficient number, since it is larger than the sum of its proper divisors (1).

12554579 is an equidigital number, since it uses as much as digits as its factorization.

12554579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 38.

The square root of 12554579 is about 3543.2441349701. The cubic root of 12554579 is about 232.4167289571.

The spelling of 12554579 in words is "twelve million, five hundred fifty-four thousand, five hundred seventy-nine".