10685765 has 4 divisors (see below), whose sum is σ = 12822924. Its totient is φ = 8548608.

The previous prime is 10685747. The next prime is 10685767. The reversal of 10685765 is 56758601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6466849 + 4218916 = 2543^2 + 2054^2 .

It is a cyclic number.

It is not a de Polignac number, because 10685765 - 2⁸ = 10685509 is a prime.

It is a super-2 number, since 2×10685765² = 228371147270450, 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 (10685767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068572 + ... + 1068581.

It is an arithmetic number, because the mean of its divisors is an integer number (3205731).

Almost surely, 2^10685765 is an apocalyptic number.

It is an amenable number.

10685765 is a deficient number, since it is larger than the sum of its proper divisors (2137159).

10685765 is an equidigital number, since it uses as much as digits as its factorization.

10685765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137158.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 10685765 is about 3268.9088393530. The cubic root of 10685765 is about 220.2597826517.

The spelling of 10685765 in words is "ten million, six hundred eighty-five thousand, seven hundred sixty-five".