12318282 has 12 divisors (see below), whose sum is σ = 26689650. Its totient is φ = 4106088.

The previous prime is 12318259. The next prime is 12318283. The reversal of 12318282 is 28281321.

It can be written as a sum of positive squares in only one way, i.e., 12173121 + 145161 = 3489^2 + 381^2 .

It is not an unprimeable number, because it can be changed into a prime (12318283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342157 + ... + 342192.

Almost surely, 2^12318282 is an apocalyptic number.

12318282 is an abundant number, since it is smaller than the sum of its proper divisors (14371368).

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

12318282 is a wasteful number, since it uses less digits than its factorization.

12318282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684357 (or 684354 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 12318282 is about 3509.7410160865. The cubic root of 12318282 is about 230.9493339153.

The spelling of 12318282 in words is "twelve million, three hundred eighteen thousand, two hundred eighty-two".