13256963 has 2 divisors, whose sum is σ = 13256964. Its totient is φ = 13256962.

The previous prime is 13256959. The next prime is 13256987. The reversal of 13256963 is 36965231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13256963 - 2² = 13256959 is a prime.

It is not a weakly prime, because it can be changed into another prime (13256363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6628481 + 6628482.

It is an arithmetic number, because the mean of its divisors is an integer number (6628482).

Almost surely, 2^13256963 is an apocalyptic number.

13256963 is a deficient number, since it is larger than the sum of its proper divisors (1).

13256963 is an equidigital number, since it uses as much as digits as its factorization.

13256963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 35.

The square root of 13256963 is about 3641.0112606253. The cubic root of 13256963 is about 236.6726179376.

The spelling of 13256963 in words is "thirteen million, two hundred fifty-six thousand, nine hundred sixty-three".