11412565 has 4 divisors (see below), whose sum is σ = 13695084. Its totient is φ = 9130048.

The previous prime is 11412523. The next prime is 11412571. The reversal of 11412565 is 56521411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3976036 + 7436529 = 1994^2 + 2727^2 .

It is a cyclic number.

It is not a de Polignac number, because 11412565 - 2¹¹ = 11410517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141252 + ... + 1141261.

It is an arithmetic number, because the mean of its divisors is an integer number (3423771).

Almost surely, 2^11412565 is an apocalyptic number.

It is an amenable number.

11412565 is a deficient number, since it is larger than the sum of its proper divisors (2282519).

11412565 is an equidigital number, since it uses as much as digits as its factorization.

11412565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282518.

The product of its digits is 1200, while the sum is 25.

The square root of 11412565 is about 3378.2488067044. The cubic root of 11412565 is about 225.1443682536.

Adding to 11412565 its reverse (56521411), we get a palindrome (67933976).

The spelling of 11412565 in words is "eleven million, four hundred twelve thousand, five hundred sixty-five".