13003344112 has 80 divisors (see below), whose sum is σ = 28240192512. Its totient is φ = 5749602560.

The previous prime is 13003344091. The next prime is 13003344113. The reversal of 13003344112 is 21144330031.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003344113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1376718 + ... + 1386130.

Almost surely, 2^13003344112 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 13003344112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14120096256).

13003344112 is an abundant number, since it is smaller than the sum of its proper divisors (15236848400).

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

13003344112 is a wasteful number, since it uses less digits than its factorization.

13003344112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9646 (or 9640 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13003344112 its reverse (21144330031), we get a palindrome (34147674143).

The spelling of 13003344112 in words is "thirteen billion, three million, three hundred forty-four thousand, one hundred twelve".