6678412 has 12 divisors (see below), whose sum is σ = 12586336. Its totient is φ = 3082320.

The previous prime is 6678401. The next prime is 6678421. The reversal of 6678412 is 2148766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64164 + ... + 64267.

Almost surely, 2^6678412 is an apocalyptic number.

It is an amenable number.

6678412 is a deficient number, since it is larger than the sum of its proper divisors (5907924).

6678412 is a wasteful number, since it uses less digits than its factorization.

6678412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128448 (or 128446 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 6678412 is about 2584.2623705808. The cubic root of 6678412 is about 188.3176687487.

The spelling of 6678412 in words is "six million, six hundred seventy-eight thousand, four hundred twelve".