12307306 has 16 divisors (see below), whose sum is σ = 20193120. Its totient is φ = 5579280.

The previous prime is 12307301. The next prime is 12307327. The reversal of 12307306 is 60370321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12307301) 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, 15880 + ... + 16636.

It is an arithmetic number, because the mean of its divisors is an integer number (1262070).

Almost surely, 2^12307306 is an apocalyptic number.

12307306 is a deficient number, since it is larger than the sum of its proper divisors (7885814).

12307306 is a wasteful number, since it uses less digits than its factorization.

12307306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 12307306 is about 3508.1770194789. The cubic root of 12307306 is about 230.8807190128.

Adding to 12307306 its reverse (60370321), we get a palindrome (72677627).

The spelling of 12307306 in words is "twelve million, three hundred seven thousand, three hundred six".