12330237 has 4 divisors (see below), whose sum is σ = 16440320. Its totient is φ = 8220156.

The previous prime is 12330209. The next prime is 12330247. The reversal of 12330237 is 73203321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12330237 - 2¹¹ = 12328189 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 (12330247) 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, 2055037 + ... + 2055042.

It is an arithmetic number, because the mean of its divisors is an integer number (4110080).

Almost surely, 2^12330237 is an apocalyptic number.

It is an amenable number.

12330237 is a deficient number, since it is larger than the sum of its proper divisors (4110083).

12330237 is an equidigital number, since it uses as much as digits as its factorization.

12330237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110082.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 12330237 is about 3511.4437201812. The cubic root of 12330237 is about 231.0240225387.

Adding to 12330237 its reverse (73203321), we get a palindrome (85533558).

The spelling of 12330237 in words is "twelve million, three hundred thirty thousand, two hundred thirty-seven".