12234209 has 4 divisors (see below), whose sum is σ = 13175316. Its totient is φ = 11293104.

The previous prime is 12234197. The next prime is 12234217. The reversal of 12234209 is 90243221.

12234209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90243221 = 313 ⋅288317.

It can be written as a sum of positive squares in 2 ways, for example, as 3841600 + 8392609 = 1960^2 + 2897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12234209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12234239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470534 + ... + 470559.

It is an arithmetic number, because the mean of its divisors is an integer number (3293829).

Almost surely, 2^12234209 is an apocalyptic number.

It is an amenable number.

12234209 is a deficient number, since it is larger than the sum of its proper divisors (941107).

12234209 is an equidigital number, since it uses as much as digits as its factorization.

12234209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941106.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12234209 is about 3497.7434154037. The cubic root of 12234209 is about 230.4227197667.

The spelling of 12234209 in words is "twelve million, two hundred thirty-four thousand, two hundred nine".