12230045 has 4 divisors (see below), whose sum is σ = 14676060. Its totient is φ = 9784032.

The previous prime is 12230041. The next prime is 12230047. The reversal of 12230045 is 54003221.

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 1951609 + 10278436 = 1397^2 + 3206^2 .

It is a cyclic number.

It is not a de Polignac number, because 12230045 - 2² = 12230041 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 (12230041) 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, 1223000 + ... + 1223009.

It is an arithmetic number, because the mean of its divisors is an integer number (3669015).

Almost surely, 2^12230045 is an apocalyptic number.

It is an amenable number.

12230045 is a deficient number, since it is larger than the sum of its proper divisors (2446015).

12230045 is an equidigital number, since it uses as much as digits as its factorization.

12230045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446014.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12230045 is about 3497.1481238289. The cubic root of 12230045 is about 230.3965747968.

Adding to 12230045 its reverse (54003221), we get a palindrome (66233266).

The spelling of 12230045 in words is "twelve million, two hundred thirty thousand, forty-five".