6867813 has 16 divisors (see below), whose sum is σ = 9749376. Its totient is φ = 4285440.

The previous prime is 6867799. The next prime is 6867821. The reversal of 6867813 is 3187686.

It is not a de Polignac number, because 6867813 - 2⁸ = 6867557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6867613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15645 + ... + 16077.

It is an arithmetic number, because the mean of its divisors is an integer number (609336).

Almost surely, 2^6867813 is an apocalyptic number.

It is an amenable number.

6867813 is a deficient number, since it is larger than the sum of its proper divisors (2881563).

6867813 is a wasteful number, since it uses less digits than its factorization.

6867813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 48384, while the sum is 39.

The square root of 6867813 is about 2620.6512549365. The cubic root of 6867813 is about 190.0813409801.

The spelling of 6867813 in words is "six million, eight hundred sixty-seven thousand, eight hundred thirteen".