6813685 has 16 divisors (see below), whose sum is σ = 9115200. Its totient is φ = 4859136.

The previous prime is 6813683. The next prime is 6813689. The reversal of 6813685 is 5863186.

It is not a de Polignac number, because 6813685 - 2¹ = 6813683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6813683) 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, 495 + ... + 3724.

It is an arithmetic number, because the mean of its divisors is an integer number (569700).

Almost surely, 2^6813685 is an apocalyptic number.

It is an amenable number.

6813685 is a deficient number, since it is larger than the sum of its proper divisors (2301515).

6813685 is a wasteful number, since it uses less digits than its factorization.

6813685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260.

The product of its digits is 34560, while the sum is 37.

The square root of 6813685 is about 2610.3036221865. The cubic root of 6813685 is about 189.5806540968.

The spelling of 6813685 in words is "six million, eight hundred thirteen thousand, six hundred eighty-five".