12660912 has 60 divisors (see below), whose sum is σ = 38658984. Its totient is φ = 3836160.

The previous prime is 12660911. The next prime is 12660917. The reversal of 12660912 is 21906621.

It is not an unprimeable number, because it can be changed into a prime (12660911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2413 + ... + 5580.

Almost surely, 2^12660912 is an apocalyptic number.

12660912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12660912 is an abundant number, since it is smaller than the sum of its proper divisors (25998072).

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

12660912 is a wasteful number, since it uses less digits than its factorization.

12660912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018 (or 8009 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12660912 is about 3558.2175312929. The cubic root of 12660912 is about 233.0710485928.

It can be divided in two parts, 126609 and 12, that added together give a palindrome (126621).

The spelling of 12660912 in words is "twelve million, six hundred sixty thousand, nine hundred twelve".