12305245 has 8 divisors (see below), whose sum is σ = 14969016. Its totient is φ = 9709056.

The previous prime is 12305243. The next prime is 12305261. The reversal of 12305245 is 54250321.

It can be written as a sum of positive squares in 4 ways, for example, as 285156 + 12020089 = 534^2 + 3467^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12305245 - 2¹ = 12305243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12305243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16492 + ... + 17221.

It is an arithmetic number, because the mean of its divisors is an integer number (1871127).

Almost surely, 2^12305245 is an apocalyptic number.

It is an amenable number.

12305245 is a deficient number, since it is larger than the sum of its proper divisors (2663771).

12305245 is an equidigital number, since it uses as much as digits as its factorization.

12305245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33791.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12305245 is about 3507.8832648764. The cubic root of 12305245 is about 230.8678304157.

Adding to 12305245 its reverse (54250321), we get a palindrome (66555566).

The spelling of 12305245 in words is "twelve million, three hundred five thousand, two hundred forty-five".