12660252 has 24 divisors (see below), whose sum is σ = 32226432. Its totient is φ = 3836400.

The previous prime is 12660229. The next prime is 12660283. The reversal of 12660252 is 25206621.

It is a congruent number.

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, 47824 + ... + 48087.

It is an arithmetic number, because the mean of its divisors is an integer number (1342768).

Almost surely, 2^12660252 is an apocalyptic number.

12660252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12660252 is an abundant number, since it is smaller than the sum of its proper divisors (19566180).

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

12660252 is a wasteful number, since it uses less digits than its factorization.

12660252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95929 (or 95927 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12660252 is about 3558.1247870191. The cubic root of 12660252 is about 233.0669986063.

Adding to 12660252 its reverse (25206621), we get a palindrome (37866873).

It can be divided in two parts, 126 and 60252, that added together give a triangular number (60378 = T₃₄₇).

The spelling of 12660252 in words is "twelve million, six hundred sixty thousand, two hundred fifty-two".