12863429 has 2 divisors, whose sum is σ = 12863430. Its totient is φ = 12863428.

The previous prime is 12863413. The next prime is 12863453. The reversal of 12863429 is 92436821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9138529 + 3724900 = 3023^2 + 1930^2 .

It is an emirp because it is prime and its reverse (92436821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12863429 - 2⁴ = 12863413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12863479) 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, 6431714 + 6431715.

It is an arithmetic number, because the mean of its divisors is an integer number (6431715).

Almost surely, 2^12863429 is an apocalyptic number.

It is an amenable number.

12863429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12863429 is an equidigital number, since it uses as much as digits as its factorization.

12863429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 12863429 is about 3586.5622816285. The cubic root of 12863429 is about 234.3071732384.

The spelling of 12863429 in words is "twelve million, eight hundred sixty-three thousand, four hundred twenty-nine".