8129963 has 2 divisors, whose sum is σ = 8129964. Its totient is φ = 8129962.

The previous prime is 8129939. The next prime is 8129999. The reversal of 8129963 is 3699218.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8129963 - 2⁸ = 8129707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8129903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4064981 + 4064982.

It is an arithmetic number, because the mean of its divisors is an integer number (4064982).

Almost surely, 2^8129963 is an apocalyptic number.

8129963 is a deficient number, since it is larger than the sum of its proper divisors (1).

8129963 is an equidigital number, since it uses as much as digits as its factorization.

8129963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 8129963 is about 2851.3089976360. The cubic root of 8129963 is about 201.0772126480.

The spelling of 8129963 in words is "eight million, one hundred twenty-nine thousand, nine hundred sixty-three".