12305234 has 8 divisors (see below), whose sum is σ = 18640908. Its totient is φ = 6091600.

The previous prime is 12305231. The next prime is 12305239. The reversal of 12305234 is 43250321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12271009 + 34225 = 3503^2 + 185^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12305231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30257 + ... + 30660.

Almost surely, 2^12305234 is an apocalyptic number.

12305234 is a deficient number, since it is larger than the sum of its proper divisors (6335674).

12305234 is a wasteful number, since it uses less digits than its factorization.

12305234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61020.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12305234 is about 3507.8816969790. The cubic root of 12305234 is about 230.8677616226.

Adding to 12305234 its reverse (43250321), we get a palindrome (55555555).

The spelling of 12305234 in words is "twelve million, three hundred five thousand, two hundred thirty-four".