6804813 has 4 divisors (see below), whose sum is σ = 9073088. Its totient is φ = 4536540.

The previous prime is 6804799. The next prime is 6804839. The reversal of 6804813 is 3184086.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6804813 - 2⁴ = 6804797 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6804013) 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, 1134133 + ... + 1134138.

It is an arithmetic number, because the mean of its divisors is an integer number (2268272).

Almost surely, 2^6804813 is an apocalyptic number.

It is an amenable number.

6804813 is a deficient number, since it is larger than the sum of its proper divisors (2268275).

6804813 is a wasteful number, since it uses less digits than its factorization.

6804813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268274.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 6804813 is about 2608.6036494646. The cubic root of 6804813 is about 189.4983349547.

Adding to 6804813 its reverse (3184086), we get a palindrome (9988899).

The spelling of 6804813 in words is "six million, eight hundred four thousand, eight hundred thirteen".