10660687 has 4 divisors (see below), whose sum is σ = 10780560. Its totient is φ = 10540816.

The previous prime is 10660679. The next prime is 10660693. The reversal of 10660687 is 78606601.

10660687 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78606601 = 1367 ⋅57503.

It is a cyclic number.

It is not a de Polignac number, because 10660687 - 2³ = 10660679 is a prime.

It is a super-2 number, since 2×10660687² = 227300494623938, 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 (10660627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59803 + ... + 59980.

It is an arithmetic number, because the mean of its divisors is an integer number (2695140).

Almost surely, 2^10660687 is an apocalyptic number.

10660687 is a deficient number, since it is larger than the sum of its proper divisors (119873).

10660687 is an equidigital number, since it uses as much as digits as its factorization.

10660687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119872.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 10660687 is about 3265.0707496163. The cubic root of 10660687 is about 220.0873413534.

Subtracting from 10660687 its sum of digits (34), we obtain a triangular number (10660653 = T₄₆₁₇).

The spelling of 10660687 in words is "ten million, six hundred sixty thousand, six hundred eighty-seven".