12579971 has 2 divisors, whose sum is σ = 12579972. Its totient is φ = 12579970.

The previous prime is 12579967. The next prime is 12579991. The reversal of 12579971 is 17997521.

It is a happy number.

12579971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12579971 - 2² = 12579967 is a prime.

It is not a weakly prime, because it can be changed into another prime (12579991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6289985 + 6289986.

It is an arithmetic number, because the mean of its divisors is an integer number (6289986).

Almost surely, 2^12579971 is an apocalyptic number.

12579971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12579971 is an equidigital number, since it uses as much as digits as its factorization.

12579971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 41.

The square root of 12579971 is about 3546.8254820332. The cubic root of 12579971 is about 232.5733132965.

The spelling of 12579971 in words is "twelve million, five hundred seventy-nine thousand, nine hundred seventy-one".