11685546 has 40 divisors (see below), whose sum is σ = 26697924. Its totient is φ = 3818880.

The previous prime is 11685523. The next prime is 11685581. The reversal of 11685546 is 64558611.

11685546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11634921 + 50625 = 3411^2 + 225^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11685546.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7906 + ... + 9266.

Almost surely, 2^11685546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11685546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13348962).

11685546 is an abundant number, since it is smaller than the sum of its proper divisors (15012378).

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

11685546 is a wasteful number, since it uses less digits than its factorization.

11685546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1419 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 11685546 is about 3418.4127895852. The cubic root of 11685546 is about 226.9253443361.

The spelling of 11685546 in words is "eleven million, six hundred eighty-five thousand, five hundred forty-six".