6813995 has 16 divisors (see below), whose sum is σ = 8582112. Its totient is φ = 5187840.

The previous prime is 6813977. The next prime is 6814001. The reversal of 6813995 is 5993186.

It is not a de Polignac number, because 6813995 - 2⁸ = 6813739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8429 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (536382).

Almost surely, 2^6813995 is an apocalyptic number.

6813995 is a deficient number, since it is larger than the sum of its proper divisors (1768117).

6813995 is a wasteful number, since it uses less digits than its factorization.

6813995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862.

The product of its digits is 58320, while the sum is 41.

The square root of 6813995 is about 2610.3630015766. The cubic root of 6813995 is about 189.5835291495.

The spelling of 6813995 in words is "six million, eight hundred thirteen thousand, nine hundred ninety-five".