13244561 has 8 divisors (see below), whose sum is σ = 14947200. Its totient is φ = 11625040.

The previous prime is 13244551. The next prime is 13244563. The reversal of 13244561 is 16544231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13244561 - 2¹⁰ = 13243537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13244561.

It is not an unprimeable number, because it can be changed into a prime (13244563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20441 + ... + 21078.

It is an arithmetic number, because the mean of its divisors is an integer number (1868400).

Almost surely, 2^13244561 is an apocalyptic number.

13244561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13244561 is a deficient number, since it is larger than the sum of its proper divisors (1702639).

13244561 is a wasteful number, since it uses less digits than its factorization.

13244561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41559.

The product of its digits is 2880, while the sum is 26.

The square root of 13244561 is about 3639.3077638474. The cubic root of 13244561 is about 236.5987918386.

Adding to 13244561 its reverse (16544231), we get a palindrome (29788792).

It can be divided in two parts, 1324 and 4561, that added together give a palindrome (5885).

The spelling of 13244561 in words is "thirteen million, two hundred forty-four thousand, five hundred sixty-one".