12808847 has 2 divisors, whose sum is σ = 12808848. Its totient is φ = 12808846.

The previous prime is 12808843. The next prime is 12808853. The reversal of 12808847 is 74880821.

It is a happy number.

12808847 is nontrivially palindromic in base 11.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12808847 - 2² = 12808843 is a prime.

It is a super-2 number, since 2×12808847² = 328133122938818, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12808847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12808843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6404423 + 6404424.

It is an arithmetic number, because the mean of its divisors is an integer number (6404424).

Almost surely, 2^12808847 is an apocalyptic number.

12808847 is a deficient number, since it is larger than the sum of its proper divisors (1).

12808847 is an equidigital number, since it uses as much as digits as its factorization.

12808847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 12808847 is about 3578.9449562685. The cubic root of 12808847 is about 233.9752999472.

The spelling of 12808847 in words is "twelve million, eight hundred eight thousand, eight hundred forty-seven".