11688712 has 32 divisors (see below), whose sum is σ = 25585920. Its totient is φ = 4901760.

The previous prime is 11688709. The next prime is 11688713. The reversal of 11688712 is 21788611.

It is not an unprimeable number, because it can be changed into a prime (11688713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412 + ... + 4852.

It is an arithmetic number, because the mean of its divisors is an integer number (799560).

Almost surely, 2^11688712 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 11688712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12792960).

11688712 is an abundant number, since it is smaller than the sum of its proper divisors (13897208).

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

11688712 is a wasteful number, since it uses less digits than its factorization.

11688712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501 (or 4497 counting only the distinct ones).

The product of its digits is 5376, while the sum is 34.

The square root of 11688712 is about 3418.8758386347. The cubic root of 11688712 is about 226.9458363401.

The spelling of 11688712 in words is "eleven million, six hundred eighty-eight thousand, seven hundred twelve".