6678312 has 32 divisors (see below), whose sum is σ = 16759680. Its totient is φ = 2217600.

The previous prime is 6678289. The next prime is 6678313. The reversal of 6678312 is 2138766.

It is not an unprimeable number, because it can be changed into a prime (6678313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10812 + ... + 11412.

It is an arithmetic number, because the mean of its divisors is an integer number (523740).

Almost surely, 2^6678312 is an apocalyptic number.

It is an amenable number.

6678312 is an abundant number, since it is smaller than the sum of its proper divisors (10081368).

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

6678312 is a wasteful number, since it uses less digits than its factorization.

6678312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1069 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 6678312 is about 2584.2430226277. The cubic root of 6678312 is about 188.3167288117.

It can be divided in two parts, 66783 and 12, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 6678312 in words is "six million, six hundred seventy-eight thousand, three hundred twelve".