12318252 has 12 divisors (see below), whose sum is σ = 28742616. Its totient is φ = 4106080.

The previous prime is 12318247. The next prime is 12318259. The reversal of 12318252 is 25281321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12318259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513249 + ... + 513272.

It is an arithmetic number, because the mean of its divisors is an integer number (2395218).

Almost surely, 2^12318252 is an apocalyptic number.

12318252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12318252 is an abundant number, since it is smaller than the sum of its proper divisors (16424364).

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

12318252 is a wasteful number, since it uses less digits than its factorization.

12318252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026528 (or 1026526 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 12318252 is about 3509.7367422643. The cubic root of 12318252 is about 230.9491464301.

Adding to 12318252 its reverse (25281321), we get a palindrome (37599573).

The spelling of 12318252 in words is "twelve million, three hundred eighteen thousand, two hundred fifty-two".