11985936 has 40 divisors (see below), whose sum is σ = 31408704. Its totient is φ = 3937920.

The previous prime is 11985923. The next prime is 11985937. The reversal of 11985936 is 63958911.

It is not an unprimeable number, because it can be changed into a prime (11985937) 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, 1650 + ... + 5166.

Almost surely, 2^11985936 is an apocalyptic number.

11985936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11985936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15704352).

11985936 is an abundant number, since it is smaller than the sum of its proper divisors (19422768).

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

11985936 is a wasteful number, since it uses less digits than its factorization.

11985936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599 (or 3593 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 11985936 is about 3462.0710564632. The cubic root of 11985936 is about 228.8533732071.

It can be divided in two parts, 11985 and 936, that added together give a palindrome (12921).

The spelling of 11985936 in words is "eleven million, nine hundred eighty-five thousand, nine hundred thirty-six".