10685791 has 4 divisors (see below), whose sum is σ = 10751512. Its totient is φ = 10620072.

The previous prime is 10685767. The next prime is 10685819. The reversal of 10685791 is 19758601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19758601 = 1237 ⋅15973.

It is a cyclic number.

It is not a de Polignac number, because 10685791 - 2¹³ = 10677599 is a prime.

It is a super-2 number, since 2×10685791² = 228372258591362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10685791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10683791) 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, 32616 + ... + 32941.

It is an arithmetic number, because the mean of its divisors is an integer number (2687878).

Almost surely, 2^10685791 is an apocalyptic number.

10685791 is a deficient number, since it is larger than the sum of its proper divisors (65721).

10685791 is an equidigital number, since it uses as much as digits as its factorization.

10685791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65720.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 10685791 is about 3268.9128162128. The cubic root of 10685791 is about 220.2599612928.

It can be divided in two parts, 10685 and 791, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 10685791 in words is "ten million, six hundred eighty-five thousand, seven hundred ninety-one".