12862247 has 2 divisors, whose sum is σ = 12862248. Its totient is φ = 12862246.

The previous prime is 12862237. The next prime is 12862253. The reversal of 12862247 is 74226821.

12862247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12862247 - 2⁴ = 12862231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12862207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431123 + 6431124.

It is an arithmetic number, because the mean of its divisors is an integer number (6431124).

Almost surely, 2^12862247 is an apocalyptic number.

12862247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12862247 is an equidigital number, since it uses as much as digits as its factorization.

12862247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 12862247 is about 3586.3974960955. The cubic root of 12862247 is about 234.2999963143.

The spelling of 12862247 in words is "twelve million, eight hundred sixty-two thousand, two hundred forty-seven".