12245879 has 2 divisors, whose sum is σ = 12245880. Its totient is φ = 12245878.

The previous prime is 12245873. The next prime is 12245929. The reversal of 12245879 is 97854221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12245879 is a prime.

It is a Sophie Germain 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 (12245873) 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, 6122939 + 6122940.

It is an arithmetic number, because the mean of its divisors is an integer number (6122940).

Almost surely, 2^12245879 is an apocalyptic number.

12245879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12245879 is an equidigital number, since it uses as much as digits as its factorization.

12245879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 12245879 is about 3499.4112361939. The cubic root of 12245879 is about 230.4959618969.

The spelling of 12245879 in words is "twelve million, two hundred forty-five thousand, eight hundred seventy-nine".