13244565 has 16 divisors (see below), whose sum is σ = 21325248. Its totient is φ = 7019136.

The previous prime is 13244563. The next prime is 13244579. The reversal of 13244565 is 56544231.

It is not a de Polignac number, because 13244565 - 2¹ = 13244563 is a prime.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 264 + ... + 5153.

It is an arithmetic number, because the mean of its divisors is an integer number (1332828).

Almost surely, 2^13244565 is an apocalyptic number.

13244565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13244565 is a deficient number, since it is larger than the sum of its proper divisors (8080683).

13244565 is a wasteful number, since it uses less digits than its factorization.

13244565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588.

The product of its digits is 14400, while the sum is 30.

The square root of 13244565 is about 3639.3083134024. The cubic root of 13244565 is about 236.5988156570.

Adding to 13244565 its reverse (56544231), we get a palindrome (69788796).

The spelling of 13244565 in words is "thirteen million, two hundred forty-four thousand, five hundred sixty-five".