812016 has 30 divisors (see below), whose sum is σ = 2272920. Its totient is φ = 270624.

The previous prime is 812011. The next prime is 812033. The reversal of 812016 is 610218.

812016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 13.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 812016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812011) by changing a digit.

812016 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 5 ways as a sum of consecutive naturals, for example, 2676 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (75764).

2⁸¹²⁰¹⁶ is an apocalyptic number.

It is an amenable number.

812016 is an abundant number, since it is smaller than the sum of its proper divisors (1460904).

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

812016 is a wasteful number, since it uses less digits than its factorization.

812016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653 (or 5644 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 812016 is about 901.1193039770. The cubic root of 812016 is about 93.2942466719.

The spelling of 812016 in words is "eight hundred twelve thousand, sixteen".