12863479 has 2 divisors, whose sum is σ = 12863480. Its totient is φ = 12863478.

The previous prime is 12863467. The next prime is 12863483. The reversal of 12863479 is 97436821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12863479 - 2⁷ = 12863351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12863429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431739 + 6431740.

It is an arithmetic number, because the mean of its divisors is an integer number (6431740).

Almost surely, 2^12863479 is an apocalyptic number.

12863479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12863479 is an equidigital number, since it uses as much as digits as its factorization.

12863479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 12863479 is about 3586.5692520848. The cubic root of 12863479 is about 234.3074768211.

The spelling of 12863479 in words is "twelve million, eight hundred sixty-three thousand, four hundred seventy-nine".