13112644 has 12 divisors (see below), whose sum is σ = 24297084. Its totient is φ = 6170624.

The previous prime is 13112639. The next prime is 13112647. The reversal of 13112644 is 44621131.

It can be written as a sum of positive squares in 2 ways, for example, as 3564544 + 9548100 = 1888^2 + 3090^2 .

It is not an unprimeable number, because it can be changed into a prime (13112647) 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, 96349 + ... + 96484.

It is an arithmetic number, because the mean of its divisors is an integer number (2024757).

Almost surely, 2^13112644 is an apocalyptic number.

It is an amenable number.

13112644 is a deficient number, since it is larger than the sum of its proper divisors (11184440).

13112644 is a wasteful number, since it uses less digits than its factorization.

13112644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192854 (or 192852 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 13112644 is about 3621.1384950040. The cubic root of 13112644 is about 235.8106544081.

Adding to 13112644 its reverse (44621131), we get a palindrome (57733775).

The spelling of 13112644 in words is "thirteen million, one hundred twelve thousand, six hundred forty-four".