13444312 has 32 divisors (see below), whose sum is σ = 29106720. Its totient is φ = 5702400.

The previous prime is 13444307. The next prime is 13444367. The reversal of 13444312 is 21344431.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4468 + ... + 6844.

It is an arithmetic number, because the mean of its divisors is an integer number (909585).

Almost surely, 2^13444312 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 13444312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14553360).

13444312 is an abundant number, since it is smaller than the sum of its proper divisors (15662408).

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

13444312 is a wasteful number, since it uses less digits than its factorization.

13444312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491 (or 2487 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 13444312 is about 3666.6486060161. The cubic root of 13444312 is about 237.7823021690.

Adding to 13444312 its reverse (21344431), we get a palindrome (34788743).

It can be divided in two parts, 1344431 and 2, that multiplied together give a palindrome (2688862).

The spelling of 13444312 in words is "thirteen million, four hundred forty-four thousand, three hundred twelve".