12297318 has 32 divisors (see below), whose sum is σ = 28000512. Its totient is φ = 3564000.

The previous prime is 12297317. The next prime is 12297323. The reversal of 12297318 is 81379221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12297317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2533 + ... + 5568.

It is an arithmetic number, because the mean of its divisors is an integer number (875016).

Almost surely, 2^12297318 is an apocalyptic number.

12297318 is an abundant number, since it is smaller than the sum of its proper divisors (15703194).

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

12297318 is a wasteful number, since it uses less digits than its factorization.

12297318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140.

The product of its digits is 6048, while the sum is 33.

The square root of 12297318 is about 3506.7531991858. The cubic root of 12297318 is about 230.8182449906.

The spelling of 12297318 in words is "twelve million, two hundred ninety-seven thousand, three hundred eighteen".