12309226 has 8 divisors (see below), whose sum is σ = 19435680. Its totient is φ = 5830668.

The previous prime is 12309191. The next prime is 12309233. The reversal of 12309226 is 62290321.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12309226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161926 + ... + 162001.

It is an arithmetic number, because the mean of its divisors is an integer number (2429460).

Almost surely, 2^12309226 is an apocalyptic number.

12309226 is a deficient number, since it is larger than the sum of its proper divisors (7126454).

12309226 is a wasteful number, since it uses less digits than its factorization.

12309226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323948.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 12309226 is about 3508.4506552038. The cubic root of 12309226 is about 230.8927245627.

Adding to 12309226 its reverse (62290321), we get a palindrome (74599547).

The spelling of 12309226 in words is "twelve million, three hundred nine thousand, two hundred twenty-six".