6809013 has 12 divisors (see below), whose sum is σ = 10002720. Its totient is φ = 4462056.

The previous prime is 6808979. The next prime is 6809029. The reversal of 6809013 is 3109086.

6809013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6809013 - 2¹³ = 6800821 is a prime.

6809013 is a lucky number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5881 + ... + 6942.

It is an arithmetic number, because the mean of its divisors is an integer number (833560).

Almost surely, 2^6809013 is an apocalyptic number.

It is an amenable number.

6809013 is a deficient number, since it is larger than the sum of its proper divisors (3193707).

6809013 is a wasteful number, since it uses less digits than its factorization.

6809013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12888 (or 12885 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 6809013 is about 2609.4085536765. The cubic root of 6809013 is about 189.5373137049.

The spelling of 6809013 in words is "six million, eight hundred nine thousand, thirteen".