11706786 has 72 divisors (see below), whose sum is σ = 31806684. Its totient is φ = 3084480.

The previous prime is 11706769. The next prime is 11706797. The reversal of 11706786 is 68760711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11431161 + 275625 = 3381^2 + 525^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11706786.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10956 + ... + 11976.

Almost surely, 2^11706786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11706786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15903342).

11706786 is an abundant number, since it is smaller than the sum of its proper divisors (20099898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11706786 is a wasteful number, since it uses less digits than its factorization.

11706786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 11706786 is about 3421.5180841258. The cubic root of 11706786 is about 227.0627498967.

The spelling of 11706786 in words is "eleven million, seven hundred six thousand, seven hundred eighty-six".