13111344 has 60 divisors (see below), whose sum is σ = 37169496. Its totient is φ = 4313856.

The previous prime is 13111333. The next prime is 13111363. The reversal of 13111344 is 44311131.

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 and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11404 + ... + 12500.

Almost surely, 2^13111344 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 13111344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18584748).

13111344 is an abundant number, since it is smaller than the sum of its proper divisors (24058152).

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

13111344 is a wasteful number, since it uses less digits than its factorization.

13111344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1185 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 13111344 is about 3620.9589889973. The cubic root of 13111344 is about 235.8028613197.

Adding to 13111344 its reverse (44311131), we get a palindrome (57422475).

The spelling of 13111344 in words is "thirteen million, one hundred eleven thousand, three hundred forty-four".