13611344 has 20 divisors (see below), whose sum is σ = 27016500. Its totient is φ = 6639360.

The previous prime is 13611343. The next prime is 13611371. The reversal of 13611344 is 44311631.

13611344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 13104400 = 712^2 + 3620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13611343) 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, 9719 + ... + 11030.

It is an arithmetic number, because the mean of its divisors is an integer number (1350825).

Almost surely, 2^13611344 is an apocalyptic number.

It is an amenable number.

13611344 is a deficient number, since it is larger than the sum of its proper divisors (13405156).

13611344 is a wasteful number, since it uses less digits than its factorization.

13611344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20798 (or 20792 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 13611344 is about 3689.3554992708. The cubic root of 13611344 is about 238.7629869675.

Adding to 13611344 its reverse (44311631), we get a palindrome (57922975).

The spelling of 13611344 in words is "thirteen million, six hundred eleven thousand, three hundred forty-four".