10681687 has 2 divisors, whose sum is σ = 10681688. Its totient is φ = 10681686.

The previous prime is 10681679. The next prime is 10681711. The reversal of 10681687 is 78618601.

It is a weak prime.

It is an emirp because it is prime and its reverse (78618601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10681687 - 2³ = 10681679 is a prime.

It is a super-2 number, since 2×10681687² = 228196874331938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10681987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5340843 + 5340844.

It is an arithmetic number, because the mean of its divisors is an integer number (5340844).

Almost surely, 2^10681687 is an apocalyptic number.

10681687 is a deficient number, since it is larger than the sum of its proper divisors (1).

10681687 is an equidigital number, since it uses as much as digits as its factorization.

10681687 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 10681687 is about 3268.2850242903. The cubic root of 10681687 is about 220.2317598981.

The spelling of 10681687 in words is "ten million, six hundred eighty-one thousand, six hundred eighty-seven".