12306663 has 12 divisors (see below), whose sum is σ = 17887480. Its totient is φ = 8153136.

The previous prime is 12306649. The next prime is 12306667. The reversal of 12306663 is 36660321.

It is not a de Polignac number, because 12306663 - 2⁵ = 12306631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12306667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2728 + ... + 5661.

Almost surely, 2^12306663 is an apocalyptic number.

12306663 is a deficient number, since it is larger than the sum of its proper divisors (5580817).

12306663 is a wasteful number, since it uses less digits than its factorization.

12306663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558 (or 8555 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 12306663 is about 3508.0853752439. The cubic root of 12306663 is about 230.8766981250.

Adding to 12306663 its reverse (36660321), we get a palindrome (48966984).

The spelling of 12306663 in words is "twelve million, three hundred six thousand, six hundred sixty-three".