11686716 has 36 divisors (see below), whose sum is σ = 29952832. Its totient is φ = 3841344.

The previous prime is 11686711. The next prime is 11686723. The reversal of 11686716 is 61768611.

11686716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11686711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405 + ... + 4851.

Almost surely, 2^11686716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11686716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14976416).

11686716 is an abundant number, since it is smaller than the sum of its proper divisors (18266116).

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

11686716 is a wasteful number, since it uses less digits than its factorization.

11686716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530 (or 4525 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 11686716 is about 3418.5839173553. The cubic root of 11686716 is about 226.9329176177.

The spelling of 11686716 in words is "eleven million, six hundred eighty-six thousand, seven hundred sixteen".