12246565 has 4 divisors (see below), whose sum is σ = 14695884. Its totient is φ = 9797248.

The previous prime is 12246547. The next prime is 12246569. The reversal of 12246565 is 56564221.

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 6180196 + 6066369 = 2486^2 + 2463^2 .

It is a cyclic number.

It is not a de Polignac number, because 12246565 - 2⁹ = 12246053 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12246569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224652 + ... + 1224661.

It is an arithmetic number, because the mean of its divisors is an integer number (3673971).

Almost surely, 2^12246565 is an apocalyptic number.

It is an amenable number.

12246565 is a deficient number, since it is larger than the sum of its proper divisors (2449319).

12246565 is an equidigital number, since it uses as much as digits as its factorization.

12246565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449318.

The product of its digits is 14400, while the sum is 31.

The square root of 12246565 is about 3499.5092513094. The cubic root of 12246565 is about 230.5002658558.

The spelling of 12246565 in words is "twelve million, two hundred forty-six thousand, five hundred sixty-five".