12660264 has 24 divisors (see below), whose sum is σ = 34288410. Its totient is φ = 4220064.

The previous prime is 12660229. The next prime is 12660283. The reversal of 12660264 is 46206621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12659364 + 900 = 3558^2 + 30^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87847 + ... + 87990.

Almost surely, 2^12660264 is an apocalyptic number.

It is an amenable number.

12660264 is an abundant number, since it is smaller than the sum of its proper divisors (21628146).

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

12660264 is a wasteful number, since it uses less digits than its factorization.

12660264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175849 (or 175842 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12660264 is about 3558.1264733002. The cubic root of 12660264 is about 233.0670722437.

Adding to 12660264 its reverse (46206621), we get a palindrome (58866885).

The spelling of 12660264 in words is "twelve million, six hundred sixty thousand, two hundred sixty-four".