12963089 has 2 divisors, whose sum is σ = 12963090. Its totient is φ = 12963088.

The previous prime is 12962981. The next prime is 12963091. The reversal of 12963089 is 98036921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 146689 = 3580^2 + 383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12963089 is a prime.

Together with 12963091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12963589) 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, 6481544 + 6481545.

It is an arithmetic number, because the mean of its divisors is an integer number (6481545).

Almost surely, 2^12963089 is an apocalyptic number.

It is an amenable number.

12963089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12963089 is an equidigital number, since it uses as much as digits as its factorization.

12963089 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12963089 is about 3600.4290022163. The cubic root of 12963089 is about 234.9107190650.

The spelling of 12963089 in words is "twelve million, nine hundred sixty-three thousand, eighty-nine".