12130712 has 16 divisors (see below), whose sum is σ = 24813000. Its totient is φ = 5513920.

The previous prime is 12130681. The next prime is 12130739. The reversal of 12130712 is 21703121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68837 + ... + 69012.

Almost surely, 2^12130712 is an apocalyptic number.

It is an amenable number.

12130712 is an abundant number, since it is smaller than the sum of its proper divisors (12682288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12130712 is a wasteful number, since it uses less digits than its factorization.

12130712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137866 (or 137862 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 12130712 is about 3482.9171681221. The cubic root of 12130712 is about 229.7711144541.

Adding to 12130712 its reverse (21703121), we get a palindrome (33833833).

The spelling of 12130712 in words is "twelve million, one hundred thirty thousand, seven hundred twelve".