12230237 has 4 divisors (see below), whose sum is σ = 12245820. Its totient is φ = 12214656.

The previous prime is 12230233. The next prime is 12230353. The reversal of 12230237 is 73203221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6522916 + 5707321 = 2554^2 + 2389^2 .

It is a cyclic number.

It is not a de Polignac number, because 12230237 - 2² = 12230233 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230233) 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, 6548 + ... + 8205.

It is an arithmetic number, because the mean of its divisors is an integer number (3061455).

Almost surely, 2^12230237 is an apocalyptic number.

It is an amenable number.

12230237 is a deficient number, since it is larger than the sum of its proper divisors (15583).

12230237 is an equidigital number, since it uses as much as digits as its factorization.

12230237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15582.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 12230237 is about 3497.1755746602. The cubic root of 12230237 is about 230.3977804590.

Adding to 12230237 its reverse (73203221), we get a palindrome (85433458).

The spelling of 12230237 in words is "twelve million, two hundred thirty thousand, two hundred thirty-seven".