11144412 has 48 divisors (see below), whose sum is σ = 30419200. Its totient is φ = 3518640.

The previous prime is 11144383. The next prime is 11144417. The reversal of 11144412 is 21444111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144417) 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 15 ways as a sum of consecutive naturals, for example, 664 + ... + 4767.

Almost surely, 2^11144412 is an apocalyptic number.

11144412 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 11144412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15209600).

11144412 is an abundant number, since it is smaller than the sum of its proper divisors (19274788).

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

11144412 is a wasteful number, since it uses less digits than its factorization.

11144412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5463 (or 5455 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 11144412 is about 3338.3247295612. The cubic root of 11144412 is about 223.3670214769.

Adding to 11144412 its reverse (21444111), we get a palindrome (32588523).

The spelling of 11144412 in words is "eleven million, one hundred forty-four thousand, four hundred twelve".