12812308 has 24 divisors (see below), whose sum is σ = 23728320. Its totient is φ = 6036480.

The previous prime is 12812297. The next prime is 12812329. The reversal of 12812308 is 80321821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19668 + ... + 20308.

It is an arithmetic number, because the mean of its divisors is an integer number (988680).

Almost surely, 2^12812308 is an apocalyptic number.

It is an amenable number.

12812308 is a deficient number, since it is larger than the sum of its proper divisors (10916012).

12812308 is a wasteful number, since it uses less digits than its factorization.

12812308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 12812308 is about 3579.4284459953. The cubic root of 12812308 is about 233.9963717264.

The spelling of 12812308 in words is "twelve million, eight hundred twelve thousand, three hundred eight".