855012 has 24 divisors (see below), whose sum is σ = 2042656. Its totient is φ = 278208.

The previous prime is 854999. The next prime is 855031. The reversal of 855012 is 210558.

855012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 855012.

It is an unprimeable number.

855012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313 + ... + 1344.

2⁸⁵⁵⁰¹² is an apocalyptic number.

It is an amenable number.

855012 is an abundant number, since it is smaller than the sum of its proper divisors (1187644).

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

855012 is a wasteful number, since it uses less digits than its factorization.

855012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 855012 is about 924.6685892794. The cubic root of 855012 is about 94.9126436119.

The spelling of 855012 in words is "eight hundred fifty-five thousand, twelve".