12696663 has 8 divisors (see below), whose sum is σ = 19347328. Its totient is φ = 7255224.

The previous prime is 12696659. The next prime is 12696679. The reversal of 12696663 is 36669621.

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 12696663 - 2² = 12696659 is a prime.

It is a super-2 number, since 2×12696663² = 322410502671138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12696683) 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 in 7 ways as a sum of consecutive naturals, for example, 302281 + ... + 302322.

It is an arithmetic number, because the mean of its divisors is an integer number (2418416).

Almost surely, 2^12696663 is an apocalyptic number.

12696663 is a deficient number, since it is larger than the sum of its proper divisors (6650665).

12696663 is an equidigital number, since it uses as much as digits as its factorization.

12696663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604613.

The product of its digits is 69984, while the sum is 39.

The square root of 12696663 is about 3563.2377130918. The cubic root of 12696663 is about 233.2902190181.

The spelling of 12696663 in words is "twelve million, six hundred ninety-six thousand, six hundred sixty-three".