6812243 has 4 divisors (see below), whose sum is σ = 6822000. Its totient is φ = 6802488.

The previous prime is 6812233. The next prime is 6812339. The reversal of 6812243 is 3422186.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3422186 = 2 ⋅1711093.

It is a cyclic number.

It is not a de Polignac number, because 6812243 - 2¹⁸ = 6550099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6812233) 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, 3743 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (1705500).

Almost surely, 2^6812243 is an apocalyptic number.

6812243 is a deficient number, since it is larger than the sum of its proper divisors (9757).

6812243 is an equidigital number, since it uses as much as digits as its factorization.

6812243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756.

The product of its digits is 2304, while the sum is 26.

The square root of 6812243 is about 2610.0273944922. The cubic root of 6812243 is about 189.5672793179.

The spelling of 6812243 in words is "six million, eight hundred twelve thousand, two hundred forty-three".