12606663 has 8 divisors (see below), whose sum is σ = 16910208. Its totient is φ = 8353784.

The previous prime is 12606661. The next prime is 12606667. The reversal of 12606663 is 36660621.

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

It is a cyclic number.

It is not a de Polignac number, because 12606663 - 2¹ = 12606661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12606663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606661) 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, 12081 + ... + 13082.

It is an arithmetic number, because the mean of its divisors is an integer number (2113776).

Almost surely, 2^12606663 is an apocalyptic number.

12606663 is a deficient number, since it is larger than the sum of its proper divisors (4303545).

12606663 is a wasteful number, since it uses less digits than its factorization.

12606663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25333.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 12606663 is about 3550.5862896147. The cubic root of 12606663 is about 232.7376873234.

The spelling of 12606663 in words is "twelve million, six hundred six thousand, six hundred sixty-three".