6983813 has 4 divisors (see below), whose sum is σ = 7014540. Its totient is φ = 6953088.

The previous prime is 6983807. The next prime is 6983843. The reversal of 6983813 is 3183896.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5987809 + 996004 = 2447^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 6983813 - 2⁴ = 6983797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6983803) 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, 15020 + ... + 15477.

It is an arithmetic number, because the mean of its divisors is an integer number (1753635).

Almost surely, 2^6983813 is an apocalyptic number.

It is an amenable number.

6983813 is a deficient number, since it is larger than the sum of its proper divisors (30727).

6983813 is a wasteful number, since it uses less digits than its factorization.

6983813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30726.

The product of its digits is 31104, while the sum is 38.

The square root of 6983813 is about 2642.6904850928. The cubic root of 6983813 is about 191.1455539173.

The spelling of 6983813 in words is "six million, nine hundred eighty-three thousand, eight hundred thirteen".