6812913 has 8 divisors (see below), whose sum is σ = 9137088. Its totient is φ = 4515344.

The previous prime is 6812909. The next prime is 6812933. The reversal of 6812913 is 3192186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6812913 - 2² = 6812909 is a prime.

6812913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6812933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6045 + ... + 7082.

It is an arithmetic number, because the mean of its divisors is an integer number (1142136).

Almost surely, 2^6812913 is an apocalyptic number.

It is an amenable number.

6812913 is a deficient number, since it is larger than the sum of its proper divisors (2324175).

6812913 is a wasteful number, since it uses less digits than its factorization.

6812913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13303.

The product of its digits is 2592, while the sum is 30.

The square root of 6812913 is about 2610.1557424797. The cubic root of 6812913 is about 189.5734939090.

The spelling of 6812913 in words is "six million, eight hundred twelve thousand, nine hundred thirteen".