6699913 has 8 divisors (see below), whose sum is σ = 7693920. Its totient is φ = 5770080.

The previous prime is 6699907. The next prime is 6699919. The reversal of 6699913 is 3199966.

It is an interprime number because it is at equal distance from previous prime (6699907) and next prime (6699919).

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 6699913 - 2⁵ = 6699881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6699913.

It is not an unprimeable number, because it can be changed into a prime (6699919) 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, 15820 + ... + 16237.

It is an arithmetic number, because the mean of its divisors is an integer number (961740).

Almost surely, 2^6699913 is an apocalyptic number.

It is an amenable number.

6699913 is a deficient number, since it is larger than the sum of its proper divisors (994007).

6699913 is a wasteful number, since it uses less digits than its factorization.

6699913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32087.

The product of its digits is 78732, while the sum is 43.

The square root of 6699913 is about 2588.4190155382. The cubic root of 6699913 is about 188.5195471149.

The spelling of 6699913 in words is "six million, six hundred ninety-nine thousand, nine hundred thirteen".