12825979 has 2 divisors, whose sum is σ = 12825980. Its totient is φ = 12825978.

The previous prime is 12825977. The next prime is 12825991. The reversal of 12825979 is 97952821.

It is a weak prime.

It is an emirp because it is prime and its reverse (97952821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12825979 - 2¹ = 12825977 is a prime.

Together with 12825977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12825977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6412989 + 6412990.

It is an arithmetic number, because the mean of its divisors is an integer number (6412990).

Almost surely, 2^12825979 is an apocalyptic number.

12825979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12825979 is an equidigital number, since it uses as much as digits as its factorization.

12825979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 43.

The square root of 12825979 is about 3581.3375992777. The cubic root of 12825979 is about 234.0795684798.

The spelling of 12825979 in words is "twelve million, eight hundred twenty-five thousand, nine hundred seventy-nine".