6813801 has 10 divisors (see below), whose sum is σ = 10178762. Its totient is φ = 4542480.

The previous prime is 6813797. The next prime is 6813817. The reversal of 6813801 is 1083186.

It can be written as a sum of positive squares in only one way, i.e., 3920400 + 2893401 = 1980^2 + 1701^2 .

It is not a de Polignac number, because 6813801 - 2² = 6813797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

6813801 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6813881) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41980 + ... + 42141.

Almost surely, 2^6813801 is an apocalyptic number.

It is an amenable number.

6813801 is a deficient number, since it is larger than the sum of its proper divisors (3364961).

6813801 is an equidigital number, since it uses as much as digits as its factorization.

6813801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84133 (or 84124 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 6813801 is about 2610.3258417293. The cubic root of 6813801 is about 189.5817299332.

Adding to 6813801 its reverse (1083186), we get a palindrome (7896987).

The spelling of 6813801 in words is "six million, eight hundred thirteen thousand, eight hundred one".