13243344 has 40 divisors (see below), whose sum is σ = 34780512. Its totient is φ = 4341120.

The previous prime is 13243339. The next prime is 13243381. The reversal of 13243344 is 44334231.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667 + ... + 5189.

Almost surely, 2^13243344 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 13243344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17390256).

13243344 is an abundant number, since it is smaller than the sum of its proper divisors (21537168).

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

13243344 is a wasteful number, since it uses less digits than its factorization.

13243344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595 (or 4589 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 13243344 is about 3639.1405578790. The cubic root of 13243344 is about 236.5915448499.

Adding to 13243344 its reverse (44334231), we get a palindrome (57577575).

The spelling of 13243344 in words is "thirteen million, two hundred forty-three thousand, three hundred forty-four".