6855012 has 72 divisors (see below), whose sum is σ = 19184256. Its totient is φ = 2052864.

The previous prime is 6855007. The next prime is 6855019. The reversal of 6855012 is 2105586.

It is not an unprimeable number, because it can be changed into a prime (6855019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13833 + ... + 14319.

It is an arithmetic number, because the mean of its divisors is an integer number (266448).

Almost surely, 2^6855012 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 6855012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9592128).

6855012 is an abundant number, since it is smaller than the sum of its proper divisors (12329244).

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

6855012 is a wasteful number, since it uses less digits than its factorization.

6855012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 6855012 is about 2618.2077839622. The cubic root of 6855012 is about 189.9631692229.

The spelling of 6855012 in words is "six million, eight hundred fifty-five thousand, twelve".