812083 has 4 divisors (see below), whose sum is σ = 813888. Its totient is φ = 810280.

The previous prime is 812081. The next prime is 812101. The reversal of 812083 is 380218.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 812083 - 2¹ = 812081 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (812081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393 + ... + 1333.

It is an arithmetic number, because the mean of its divisors is an integer number (203472).

2⁸¹²⁰⁸³ is an apocalyptic number.

812083 is a deficient number, since it is larger than the sum of its proper divisors (1805).

812083 is an equidigital number, since it uses as much as digits as its factorization.

812083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 812083 is about 901.1564791977. The cubic root of 812083 is about 93.2968125255.

The spelling of 812083 in words is "eight hundred twelve thousand, eighty-three".