10686717 has 6 divisors (see below), whose sum is σ = 15436382. Its totient is φ = 7124472.

The previous prime is 10686713. The next prime is 10686733. The reversal of 10686717 is 71768601.

It is a happy number.

10686717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9865881 + 820836 = 3141^2 + 906^2 .

It is not a de Polignac number, because 10686717 - 2² = 10686713 is a prime.

It is a super-2 number, since 2×10686717² = 228411840476178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10686713) 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, 593698 + ... + 593715.

Almost surely, 2^10686717 is an apocalyptic number.

It is an amenable number.

10686717 is a deficient number, since it is larger than the sum of its proper divisors (4749665).

10686717 is a wasteful number, since it uses less digits than its factorization.

10686717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187419 (or 1187416 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 10686717 is about 3269.0544504489. The cubic root of 10686717 is about 220.2663234745.

The spelling of 10686717 in words is "ten million, six hundred eighty-six thousand, seven hundred seventeen".