12704318 has 16 divisors (see below), whose sum is σ = 20957184. Its totient is φ = 5727960.

The previous prime is 12704317. The next prime is 12704323. The reversal of 12704318 is 81340721.

It is a super-2 number, since 2×12704318² = 322799391690248, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704317) 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 7 ways as a sum of consecutive naturals, for example, 521 + ... + 5067.

It is an arithmetic number, because the mean of its divisors is an integer number (1309824).

Almost surely, 2^12704318 is an apocalyptic number.

12704318 is a deficient number, since it is larger than the sum of its proper divisors (8252866).

12704318 is a wasteful number, since it uses less digits than its factorization.

12704318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12704318 is about 3564.3117147635. The cubic root of 12704318 is about 233.3370942704.

The spelling of 12704318 in words is "twelve million, seven hundred four thousand, three hundred eighteen".