11659712 has 42 divisors (see below), whose sum is σ = 24417528. Its totient is φ = 5513728.

The previous prime is 11659693. The next prime is 11659717. The reversal of 11659712 is 21795611.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11659717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130964 + ... + 131052.

Almost surely, 2^11659712 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 11659712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12208764).

11659712 is an abundant number, since it is smaller than the sum of its proper divisors (12757816).

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

11659712 is an frugal number, since it uses more digits than its factorization.

11659712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 114 counting only the distinct ones).

The product of its digits is 3780, while the sum is 32.

The square root of 11659712 is about 3414.6320445987. The cubic root of 11659712 is about 226.7579947237.

The spelling of 11659712 in words is "eleven million, six hundred fifty-nine thousand, seven hundred twelve".