12804812 has 24 divisors (see below), whose sum is σ = 23173920. Its totient is φ = 6186240.

The previous prime is 12804811. The next prime is 12804817. The reversal of 12804812 is 21840821.

It is not an unprimeable number, because it can be changed into a prime (12804811) 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, 35489 + ... + 35847.

It is an arithmetic number, because the mean of its divisors is an integer number (965580).

Almost surely, 2^12804812 is an apocalyptic number.

It is an amenable number.

12804812 is a deficient number, since it is larger than the sum of its proper divisors (10369108).

12804812 is a wasteful number, since it uses less digits than its factorization.

12804812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 12804812 is about 3578.3811982515. The cubic root of 12804812 is about 233.9507286623.

The spelling of 12804812 in words is "twelve million, eight hundred four thousand, eight hundred twelve".