13032565 has 16 divisors (see below), whose sum is σ = 19248768. Its totient is φ = 8248896.

The previous prime is 13032563. The next prime is 13032581. The reversal of 13032565 is 56523031.

13032565 = 299² + 300² + ... + 403².

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13032565 - 2¹ = 13032563 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032563) 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, 13867 + ... + 14776.

It is an arithmetic number, because the mean of its divisors is an integer number (1203048).

Almost surely, 2^13032565 is an apocalyptic number.

It is an amenable number.

13032565 is a deficient number, since it is larger than the sum of its proper divisors (6216203).

13032565 is a wasteful number, since it uses less digits than its factorization.

13032565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28668.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 13032565 is about 3610.0644038576. The cubic root of 13032565 is about 235.3296415053.

Adding to 13032565 its reverse (56523031), we get a palindrome (69555596).

The spelling of 13032565 in words is "thirteen million, thirty-two thousand, five hundred sixty-five".