6684012 has 48 divisors (see below), whose sum is σ = 17472000. Its totient is φ = 2209680.

The previous prime is 6684001. The next prime is 6684019. The reversal of 6684012 is 2104866.

It is a super-2 number, since 2×6684012² = 89352032832288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6684019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21337 + ... + 21647.

It is an arithmetic number, because the mean of its divisors is an integer number (364000).

Almost surely, 2^6684012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6684012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8736000).

6684012 is an abundant number, since it is smaller than the sum of its proper divisors (10787988).

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

6684012 is a wasteful number, since it uses less digits than its factorization.

6684012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 6684012 is about 2585.3456248633. The cubic root of 6684012 is about 188.3702902561.

Adding to 6684012 its reverse (2104866), we get a palindrome (8788878).

The spelling of 6684012 in words is "six million, six hundred eighty-four thousand, twelve".