6812843 has 4 divisors (see below), whose sum is σ = 6818448. Its totient is φ = 6807240.

The previous prime is 6812837. The next prime is 6812857. The reversal of 6812843 is 3482186.

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 a de Polignac number, because none of the positive numbers 2^k-6812843 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6812803) 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, 128 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (1704612).

Almost surely, 2^6812843 is an apocalyptic number.

6812843 is a deficient number, since it is larger than the sum of its proper divisors (5605).

6812843 is a wasteful number, since it uses less digits than its factorization.

6812843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604.

The product of its digits is 9216, while the sum is 32.

The square root of 6812843 is about 2610.1423332838. The cubic root of 6812843 is about 189.5728446424.

The spelling of 6812843 in words is "six million, eight hundred twelve thousand, eight hundred forty-three".