12285307 has 4 divisors (see below), whose sum is σ = 12354120. Its totient is φ = 12216496.

The previous prime is 12285277. The next prime is 12285349. The reversal of 12285307 is 70358221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12285307 - 2¹¹ = 12283259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12285367) by changing a digit.

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, 34138 + ... + 34495.

It is an arithmetic number, because the mean of its divisors is an integer number (3088530).

Almost surely, 2^12285307 is an apocalyptic number.

12285307 is a deficient number, since it is larger than the sum of its proper divisors (68813).

12285307 is an equidigital number, since it uses as much as digits as its factorization.

12285307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68812.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 12285307 is about 3505.0402280145. The cubic root of 12285307 is about 230.7430724737.

The spelling of 12285307 in words is "twelve million, two hundred eighty-five thousand, three hundred seven".