12305045 has 8 divisors (see below), whose sum is σ = 14796600. Its totient is φ = 9823680.

The previous prime is 12305039. The next prime is 12305057. The reversal of 12305045 is 54050321.

It can be written as a sum of positive squares in 4 ways, for example, as 1800964 + 10504081 = 1342^2 + 3241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12305045 - 2¹⁰ = 12304021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (1849575).

Almost surely, 2^12305045 is an apocalyptic number.

It is an amenable number.

12305045 is a deficient number, since it is larger than the sum of its proper divisors (2491555).

12305045 is an equidigital number, since it uses as much as digits as its factorization.

12305045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 12305045 is about 3507.8547575406. The cubic root of 12305045 is about 230.8665796261.

Adding to 12305045 its reverse (54050321), we get a palindrome (66355366).

The spelling of 12305045 in words is "twelve million, three hundred five thousand, forty-five".