6678812 has 12 divisors (see below), whose sum is σ = 13357680. Its totient is φ = 2862336.

The previous prime is 6678799. The next prime is 6678817. The reversal of 6678812 is 2188766.

6678812 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119237 + ... + 119292.

It is an arithmetic number, because the mean of its divisors is an integer number (1113140).

Almost surely, 2^6678812 is an apocalyptic number.

It is an amenable number.

6678812 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.

6678812 is a wasteful number, since it uses less digits than its factorization.

6678812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238540 (or 238538 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 6678812 is about 2584.3397609448. The cubic root of 6678812 is about 188.3214284032.

The spelling of 6678812 in words is "six million, six hundred seventy-eight thousand, eight hundred twelve".