12663306 has 24 divisors (see below), whose sum is σ = 27618084. Its totient is φ = 4193280.

The previous prime is 12663281. The next prime is 12663311. The reversal of 12663306 is 60336621.

12663306 is a `hidden beast` number, since 1 + 26 + 633 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12638025 + 25281 = 3555^2 + 159^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12663306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586 + ... + 5066.

Almost surely, 2^12663306 is an apocalyptic number.

12663306 is an abundant number, since it is smaller than the sum of its proper divisors (14954778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12663306 is a wasteful number, since it uses less digits than its factorization.

12663306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646 (or 4643 counting only the distinct ones).

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

The square root of 12663306 is about 3558.5539197826. The cubic root of 12663306 is about 233.0857378170.

Adding to 12663306 its reverse (60336621), we get a palindrome (72999927).

The spelling of 12663306 in words is "twelve million, six hundred sixty-three thousand, three hundred six".