12253565 has 4 divisors (see below), whose sum is σ = 14704284. Its totient is φ = 9802848.

The previous prime is 12253543. The next prime is 12253621. The reversal of 12253565 is 56535221.

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 9229444 + 3024121 = 3038^2 + 1739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12253565 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225352 + ... + 1225361.

It is an arithmetic number, because the mean of its divisors is an integer number (3676071).

Almost surely, 2^12253565 is an apocalyptic number.

It is an amenable number.

12253565 is a deficient number, since it is larger than the sum of its proper divisors (2450719).

12253565 is an equidigital number, since it uses as much as digits as its factorization.

12253565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450718.

The product of its digits is 9000, while the sum is 29.

The square root of 12253565 is about 3500.5092486665. The cubic root of 12253565 is about 230.5441746182.

Adding to 12253565 its reverse (56535221), we get a palindrome (68788786).

The spelling of 12253565 in words is "twelve million, two hundred fifty-three thousand, five hundred sixty-five".