12412879 has 2 divisors, whose sum is σ = 12412880. Its totient is φ = 12412878.

The previous prime is 12412867. The next prime is 12412901. The reversal of 12412879 is 97821421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12412879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12412819) 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, 6206439 + 6206440.

It is an arithmetic number, because the mean of its divisors is an integer number (6206440).

Almost surely, 2^12412879 is an apocalyptic number.

12412879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12412879 is an equidigital number, since it uses as much as digits as its factorization.

12412879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 34.

The square root of 12412879 is about 3523.1915928601. The cubic root of 12412879 is about 231.5390110386.

The spelling of 12412879 in words is "twelve million, four hundred twelve thousand, eight hundred seventy-nine".