12081704 has 8 divisors (see below), whose sum is σ = 22653210. Its totient is φ = 6040848.

The previous prime is 12081703. The next prime is 12081731. The reversal of 12081704 is 40718021.

It can be written as a sum of positive squares in only one way, i.e., 12040900 + 40804 = 3470^2 + 202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12081704.

It is not an unprimeable number, because it can be changed into a prime (12081703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755099 + ... + 755114.

Almost surely, 2^12081704 is an apocalyptic number.

It is an amenable number.

12081704 is a deficient number, since it is larger than the sum of its proper divisors (10571506).

12081704 is a wasteful number, since it uses less digits than its factorization.

12081704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510219 (or 1510215 counting only the distinct ones).

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

The square root of 12081704 is about 3475.8745662063. The cubic root of 12081704 is about 229.4612722072.

Adding to 12081704 its reverse (40718021), we get a palindrome (52799725).

The spelling of 12081704 in words is "twelve million, eighty-one thousand, seven hundred four".