6786313 has 4 divisors (see below), whose sum is σ = 6794388. Its totient is φ = 6778240.

The previous prime is 6786293. The next prime is 6786323. The reversal of 6786313 is 3136876.

6786313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1159929 + 5626384 = 1077^2 + 2372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6786313 is a prime.

It is a Duffinian number.

6786313 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6786323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608 + ... + 4513.

It is an arithmetic number, because the mean of its divisors is an integer number (1698597).

Almost surely, 2^6786313 is an apocalyptic number.

It is an amenable number.

6786313 is a deficient number, since it is larger than the sum of its proper divisors (8075).

6786313 is an equidigital number, since it uses as much as digits as its factorization.

6786313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8074.

The product of its digits is 18144, while the sum is 34.

The square root of 6786313 is about 2605.0552777244. The cubic root of 6786313 is about 189.3264516636.

It can be divided in two parts, 67863 and 13, that added together give a palindrome (67876).

The spelling of 6786313 in words is "six million, seven hundred eighty-six thousand, three hundred thirteen".