13112444 has 12 divisors (see below), whose sum is σ = 22990968. Its totient is φ = 6543600.

The previous prime is 13112443. The next prime is 13112471. The reversal of 13112444 is 44421131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587 + ... + 5154.

It is an arithmetic number, because the mean of its divisors is an integer number (1915914).

Almost surely, 2^13112444 is an apocalyptic number.

It is an amenable number.

13112444 is a deficient number, since it is larger than the sum of its proper divisors (9878524).

13112444 is a wasteful number, since it uses less digits than its factorization.

13112444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316 (or 6314 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 13112444 is about 3621.1108792745. The cubic root of 13112444 is about 235.8094555050.

Adding to 13112444 its reverse (44421131), we get a palindrome (57533575).

The spelling of 13112444 in words is "thirteen million, one hundred twelve thousand, four hundred forty-four".