12130237 has 4 divisors (see below), whose sum is σ = 13863136. Its totient is φ = 10397340.

The previous prime is 12130169. The next prime is 12130259. The reversal of 12130237 is 73203121.

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 a cyclic number.

It is not a de Polignac number, because 12130237 - 2⁷ = 12130109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140237) 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, 866439 + ... + 866452.

It is an arithmetic number, because the mean of its divisors is an integer number (3465784).

Almost surely, 2^12130237 is an apocalyptic number.

It is an amenable number.

12130237 is a deficient number, since it is larger than the sum of its proper divisors (1732899).

12130237 is an equidigital number, since it uses as much as digits as its factorization.

12130237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732898.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 12130237 is about 3482.8489774895. The cubic root of 12130237 is about 229.7681153802.

Adding to 12130237 its reverse (73203121), we get a palindrome (85333358).

The spelling of 12130237 in words is "twelve million, one hundred thirty thousand, two hundred thirty-seven".