12018704 has 20 divisors (see below), whose sum is σ = 23727276. Its totient is φ = 5895552.

The previous prime is 12018703. The next prime is 12018733. The reversal of 12018704 is 40781021.

It can be written as a sum of positive squares in 2 ways, for example, as 9610000 + 2408704 = 3100^2 + 1552^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 12018704.

It is not an unprimeable number, because it can be changed into a prime (12018703) 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, 6239 + ... + 7934.

Almost surely, 2^12018704 is an apocalyptic number.

It is an amenable number.

12018704 is a deficient number, since it is larger than the sum of its proper divisors (11708572).

12018704 is a wasteful number, since it uses less digits than its factorization.

12018704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14234 (or 14228 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12018704 is about 3466.8002538364. The cubic root of 12018704 is about 229.0617352926.

Adding to 12018704 its reverse (40781021), we get a palindrome (52799725).

The spelling of 12018704 in words is "twelve million, eighteen thousand, seven hundred four".