12450979 has 2 divisors, whose sum is σ = 12450980. Its totient is φ = 12450978.

The previous prime is 12450973. The next prime is 12450989. The reversal of 12450979 is 97905421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12450979 - 2¹⁷ = 12319907 is a prime.

It is not a weakly prime, because it can be changed into another prime (12450973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225489 + 6225490.

It is an arithmetic number, because the mean of its divisors is an integer number (6225490).

Almost surely, 2^12450979 is an apocalyptic number.

12450979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12450979 is an equidigital number, since it uses as much as digits as its factorization.

12450979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 12450979 is about 3528.5944793926. The cubic root of 12450979 is about 231.7756637924.

The spelling of 12450979 in words is "twelve million, four hundred fifty thousand, nine hundred seventy-nine".