12863251 has 2 divisors, whose sum is σ = 12863252. Its totient is φ = 12863250.

The previous prime is 12863177. The next prime is 12863261. The reversal of 12863251 is 15236821.

12863251 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 12863251 - 2⁹ = 12862739 is a prime.

It is not a weakly prime, because it can be changed into another prime (12863261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431625 + 6431626.

It is an arithmetic number, because the mean of its divisors is an integer number (6431626).

Almost surely, 2^12863251 is an apocalyptic number.

12863251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12863251 is an equidigital number, since it uses as much as digits as its factorization.

12863251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 12863251 is about 3586.5374666940. The cubic root of 12863251 is about 234.3060924776.

The spelling of 12863251 in words is "twelve million, eight hundred sixty-three thousand, two hundred fifty-one".