12712232 has 32 divisors (see below), whose sum is σ = 26503680. Its totient is φ = 5676480.

The previous prime is 12712229. The next prime is 12712241. The reversal of 12712232 is 23221721.

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 7 ways as a sum of consecutive naturals, for example, 1253 + ... + 5195.

It is an arithmetic number, because the mean of its divisors is an integer number (828240).

Almost surely, 2^12712232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12712232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13251840).

12712232 is an abundant number, since it is smaller than the sum of its proper divisors (13791448).

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

12712232 is a wasteful number, since it uses less digits than its factorization.

12712232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993 (or 3989 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 12712232 is about 3565.4217141875. The cubic root of 12712232 is about 233.3855357125.

Adding to 12712232 its reverse (23221721), we get a palindrome (35933953).

The spelling of 12712232 in words is "twelve million, seven hundred twelve thousand, two hundred thirty-two".