12442565 has 8 divisors (see below), whose sum is σ = 14964000. Its totient is φ = 9932112.

The previous prime is 12442561. The next prime is 12442601. The reversal of 12442565 is 56524421.

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 12442565 - 2² = 12442561 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 (12442561) 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, 2 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (1870500).

Almost surely, 2^12442565 is an apocalyptic number.

It is an amenable number.

12442565 is a deficient number, since it is larger than the sum of its proper divisors (2521435).

12442565 is an equidigital number, since it uses as much as digits as its factorization.

12442565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491.

The product of its digits is 9600, while the sum is 29.

The square root of 12442565 is about 3527.4020184833. The cubic root of 12442565 is about 231.7234430022.

Adding to 12442565 its reverse (56524421), we get a palindrome (68966986).

The spelling of 12442565 in words is "twelve million, four hundred forty-two thousand, five hundred sixty-five".