13113244 has 24 divisors (see below), whose sum is σ = 23729328. Its totient is φ = 6336000.

The previous prime is 13113241. The next prime is 13113257. The reversal of 13113244 is 44231131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113241) by changing a digit.

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, 36972 + ... + 37324.

It is an arithmetic number, because the mean of its divisors is an integer number (988722).

Almost surely, 2^13113244 is an apocalyptic number.

It is an amenable number.

13113244 is a deficient number, since it is larger than the sum of its proper divisors (10616084).

13113244 is a wasteful number, since it uses less digits than its factorization.

13113244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 643 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 13113244 is about 3621.2213409291. The cubic root of 13113244 is about 235.8142510445.

Adding to 13113244 its reverse (44231131), we get a palindrome (57344375).

The spelling of 13113244 in words is "thirteen million, one hundred thirteen thousand, two hundred forty-four".