12963867 has 8 divisors (see below), whose sum is σ = 19754496. Its totient is φ = 7407912.

The previous prime is 12963857. The next prime is 12963883. The reversal of 12963867 is 76836921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12963867 - 2⁷ = 12963739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12963817) 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 in 7 ways as a sum of consecutive naturals, for example, 308643 + ... + 308684.

It is an arithmetic number, because the mean of its divisors is an integer number (2469312).

Almost surely, 2^12963867 is an apocalyptic number.

12963867 is a deficient number, since it is larger than the sum of its proper divisors (6790629).

12963867 is an equidigital number, since it uses as much as digits as its factorization.

12963867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617337.

The product of its digits is 108864, while the sum is 42.

The square root of 12963867 is about 3600.5370432756. The cubic root of 12963867 is about 234.9154184820.

The spelling of 12963867 in words is "twelve million, nine hundred sixty-three thousand, eight hundred sixty-seven".