12863671 has 2 divisors, whose sum is σ = 12863672. Its totient is φ = 12863670.

The previous prime is 12863657. The next prime is 12863681. The reversal of 12863671 is 17636821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12863671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12863681) 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, 6431835 + 6431836.

It is an arithmetic number, because the mean of its divisors is an integer number (6431836).

Almost surely, 2^12863671 is an apocalyptic number.

12863671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12863671 is an equidigital number, since it uses as much as digits as its factorization.

12863671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 12863671 is about 3586.5960185111. The cubic root of 12863671 is about 234.3086425714.

The spelling of 12863671 in words is "twelve million, eight hundred sixty-three thousand, six hundred seventy-one".