12798479 has 2 divisors, whose sum is σ = 12798480. Its totient is φ = 12798478.

The previous prime is 12798469. The next prime is 12798491. The reversal of 12798479 is 97489721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12798479 - 2⁴ = 12798463 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 (12798449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6399239 + 6399240.

It is an arithmetic number, because the mean of its divisors is an integer number (6399240).

Almost surely, 2^12798479 is an apocalyptic number.

12798479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12798479 is an equidigital number, since it uses as much as digits as its factorization.

12798479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 47.

The square root of 12798479 is about 3577.4961914725. The cubic root of 12798479 is about 233.9121532088.

The spelling of 12798479 in words is "twelve million, seven hundred ninety-eight thousand, four hundred seventy-nine".