12712236 has 24 divisors (see below), whose sum is σ = 29755824. Its totient is φ = 4224000.

The previous prime is 12712229. The next prime is 12712241. The reversal of 12712236 is 63221721.

12712236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2736 + ... + 5736.

It is an arithmetic number, because the mean of its divisors is an integer number (1239826).

Almost surely, 2^12712236 is an apocalyptic number.

It is an amenable number.

12712236 is an abundant number, since it is smaller than the sum of its proper divisors (17043588).

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

12712236 is a wasteful number, since it uses less digits than its factorization.

12712236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361 (or 3359 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 12712236 is about 3565.4222751310. The cubic root of 12712236 is about 233.3855601913.

Adding to 12712236 its reverse (63221721), we get a palindrome (75933957).

The spelling of 12712236 in words is "twelve million, seven hundred twelve thousand, two hundred thirty-six".