13013344 has 48 divisors (see below), whose sum is σ = 27291600. Its totient is φ = 6096384.

The previous prime is 13013339. The next prime is 13013353. The reversal of 13013344 is 44331031.

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, 34147 + ... + 34525.

It is an arithmetic number, because the mean of its divisors is an integer number (568575).

Almost surely, 2^13013344 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 13013344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13645800).

13013344 is an abundant number, since it is smaller than the sum of its proper divisors (14278256).

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

13013344 is a wasteful number, since it uses less digits than its factorization.

13013344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13013344 is about 3607.4012807006. The cubic root of 13013344 is about 235.2138930816.

Adding to 13013344 its reverse (44331031), we get a palindrome (57344375).

The spelling of 13013344 in words is "thirteen million, thirteen thousand, three hundred forty-four".