12862847 has 2 divisors, whose sum is σ = 12862848. Its totient is φ = 12862846.

The previous prime is 12862831. The next prime is 12862849. The reversal of 12862847 is 74826821.

It is a strong prime.

It is an emirp because it is prime and its reverse (74826821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12862847 - 2⁴ = 12862831 is a prime.

Together with 12862849, it forms a pair of twin primes.

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 12862847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12862849) 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, 6431423 + 6431424.

It is an arithmetic number, because the mean of its divisors is an integer number (6431424).

Almost surely, 2^12862847 is an apocalyptic number.

12862847 is a deficient number, since it is larger than the sum of its proper divisors (1).

12862847 is an equidigital number, since it uses as much as digits as its factorization.

12862847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 38.

The square root of 12862847 is about 3586.4811445204. The cubic root of 12862847 is about 234.3036394779.

The spelling of 12862847 in words is "twelve million, eight hundred sixty-two thousand, eight hundred forty-seven".