12309306 has 16 divisors (see below), whose sum is σ = 24931200. Its totient is φ = 4051008.

The previous prime is 12309299. The next prime is 12309317. The reversal of 12309306 is 60390321.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12511 + ... + 13458.

It is an arithmetic number, because the mean of its divisors is an integer number (1558200).

Almost surely, 2^12309306 is an apocalyptic number.

12309306 is an abundant number, since it is smaller than the sum of its proper divisors (12621894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12309306 is a wasteful number, since it uses less digits than its factorization.

12309306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26053.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 12309306 is about 3508.4620562292. The cubic root of 12309306 is about 230.8932247669.

Adding to 12309306 its reverse (60390321), we get a palindrome (72699627).

The spelling of 12309306 in words is "twelve million, three hundred nine thousand, three hundred six".