6696917 has 2 divisors, whose sum is σ = 6696918. Its totient is φ = 6696916.

The previous prime is 6696871. The next prime is 6696919. The reversal of 6696917 is 7196966.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5193841 + 1503076 = 2279^2 + 1226^2 .

It is a cyclic number.

It is not a de Polignac number, because 6696917 - 2⁶ = 6696853 is a prime.

Together with 6696919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6696919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348458 + 3348459.

It is an arithmetic number, because the mean of its divisors is an integer number (3348459).

Almost surely, 2^6696917 is an apocalyptic number.

It is an amenable number.

6696917 is a deficient number, since it is larger than the sum of its proper divisors (1).

6696917 is an equidigital number, since it uses as much as digits as its factorization.

6696917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 44.

The square root of 6696917 is about 2587.8402191789. The cubic root of 6696917 is about 188.4914428310.

The spelling of 6696917 in words is "six million, six hundred ninety-six thousand, nine hundred seventeen".