13244244 has 48 divisors (see below), whose sum is σ = 33765312. Its totient is φ = 4015872.

The previous prime is 13244243. The next prime is 13244281. The reversal of 13244244 is 44244231.

It is a happy number.

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 (13244243) 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, 10807 + ... + 11969.

It is an arithmetic number, because the mean of its divisors is an integer number (703444).

Almost surely, 2^13244244 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 13244244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16882656).

13244244 is an abundant number, since it is smaller than the sum of its proper divisors (20521068).

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

13244244 is a wasteful number, since it uses less digits than its factorization.

13244244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1254 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 13244244 is about 3639.2642113482. The cubic root of 13244244 is about 236.5969042105.

Adding to 13244244 its reverse (44244231), we get a palindrome (57488475).

The spelling of 13244244 in words is "thirteen million, two hundred forty-four thousand, two hundred forty-four".