13611044 has 12 divisors (see below), whose sum is σ = 23850204. Its totient is φ = 6796704.

The previous prime is 13611043. The next prime is 13611047. The reversal of 13611044 is 44011631.

It can be written as a sum of positive squares in 2 ways, for example, as 12334144 + 1276900 = 3512^2 + 1130^2 .

It is not an unprimeable number, because it can be changed into a prime (13611041) 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 3 ways as a sum of consecutive naturals, for example, 2282 + ... + 5694.

It is an arithmetic number, because the mean of its divisors is an integer number (1987517).

Almost surely, 2^13611044 is an apocalyptic number.

It is an amenable number.

13611044 is a deficient number, since it is larger than the sum of its proper divisors (10239160).

13611044 is a wasteful number, since it uses less digits than its factorization.

13611044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414 (or 4412 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13611044 is about 3689.3148415390. The cubic root of 13611044 is about 238.7612328076.

Adding to 13611044 its reverse (44011631), we get a palindrome (57622675).

The spelling of 13611044 in words is "thirteen million, six hundred eleven thousand, forty-four".