10686817 has 2 divisors, whose sum is σ = 10686818. Its totient is φ = 10686816.

The previous prime is 10686811. The next prime is 10686857. The reversal of 10686817 is 71868601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10265616 + 421201 = 3204^2 + 649^2 .

It is a cyclic number.

It is not a de Polignac number, because 10686817 - 2²³ = 2298209 is a prime.

It is a super-2 number, since 2×10686817² = 228416115182978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10686811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5343408 + 5343409.

It is an arithmetic number, because the mean of its divisors is an integer number (5343409).

Almost surely, 2^10686817 is an apocalyptic number.

It is an amenable number.

10686817 is a deficient number, since it is larger than the sum of its proper divisors (1).

10686817 is an equidigital number, since it uses as much as digits as its factorization.

10686817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 10686817 is about 3269.0697453557. The cubic root of 10686817 is about 220.2670105132.

The spelling of 10686817 in words is "ten million, six hundred eighty-six thousand, eight hundred seventeen".