6696997 has 6 divisors (see below), whose sum is σ = 7114418. Its totient is φ = 6302784.

The previous prime is 6696959. The next prime is 6697043. The reversal of 6696997 is 7996966.

It can be written as a sum of positive squares in 3 ways, for example, as 772641 + 5924356 = 879^2 + 2434^2 .

It is not a de Polignac number, because 6696997 - 2⁷ = 6696869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6696917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11298 + ... + 11875.

Almost surely, 2^6696997 is an apocalyptic number.

It is an amenable number.

6696997 is a deficient number, since it is larger than the sum of its proper divisors (417421).

6696997 is a wasteful number, since it uses less digits than its factorization.

6696997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23207 (or 23190 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 52.

The square root of 6696997 is about 2587.8556760376. The cubic root of 6696997 is about 188.4921933880.

The spelling of 6696997 in words is "six million, six hundred ninety-six thousand, nine hundred ninety-seven".