Adding to 11181612 its reverse (21618111), we get a palindrome (32799723).
It is a happy number.
11181612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Almost surely, 211181612 is an apocalyptic number.
11181612 is a gapful number since it is divisible by the number (12) 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 11181612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14155120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11181612 is a wasteful number, since it uses less digits than its factorization.
11181612 is an evil number, because the sum of its binary digits is even.
The square root of 11181612 is about 3343.8917446592. The cubic root of 11181612 is about 223.6152781784.
The spelling of 11181612 in words is "eleven million, one hundred eighty-one thousand, six hundred twelve".