12684812 has 12 divisors (see below), whose sum is σ = 25369680. Its totient is φ = 5436336.

The previous prime is 12684781. The next prime is 12684829. The reversal of 12684812 is 21848621.

It is a happy number.

12684812 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226487 + ... + 226542.

It is an arithmetic number, because the mean of its divisors is an integer number (2114140).

Almost surely, 2^12684812 is an apocalyptic number.

It is an amenable number.

12684812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12684812 is a wasteful number, since it uses less digits than its factorization.

12684812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453040 (or 453038 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 12684812 is about 3561.5743709770. The cubic root of 12684812 is about 233.2176124594.

The spelling of 12684812 in words is "twelve million, six hundred eighty-four thousand, eight hundred twelve".