12612663 has 12 divisors (see below), whose sum is σ = 20821008. Its totient is φ = 7207200.

The previous prime is 12612571. The next prime is 12612679. The reversal of 12612663 is 36621621.

It is not a de Polignac number, because 12612663 - 2⁸ = 12612407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12602663) 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 11 ways as a sum of consecutive naturals, for example, 100038 + ... + 100163.

It is an arithmetic number, because the mean of its divisors is an integer number (1735084).

Almost surely, 2^12612663 is an apocalyptic number.

12612663 is a deficient number, since it is larger than the sum of its proper divisors (8208345).

12612663 is a wasteful number, since it uses less digits than its factorization.

12612663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200214 (or 200211 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 12612663 is about 3551.4311199853. The cubic root of 12612663 is about 232.7746044321.

The spelling of 12612663 in words is "twelve million, six hundred twelve thousand, six hundred sixty-three".