12808306 has 16 divisors (see below), whose sum is σ = 22406400. Its totient is φ = 5488980.

The previous prime is 12808291. The next prime is 12808319. The reversal of 12808306 is 60380821.

It is an unprimeable number.

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, 8650 + ... + 10021.

It is an arithmetic number, because the mean of its divisors is an integer number (1400400).

Almost surely, 2^12808306 is an apocalyptic number.

12808306 is a deficient number, since it is larger than the sum of its proper divisors (9598094).

12808306 is an equidigital number, since it uses as much as digits as its factorization.

12808306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18694 (or 18680 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12808306 is about 3578.8693745372. The cubic root of 12808306 is about 233.9720058069.

The spelling of 12808306 in words is "twelve million, eight hundred eight thousand, three hundred six".