12117704 has 8 divisors (see below), whose sum is σ = 22720710. Its totient is φ = 6058848.

The previous prime is 12117697. The next prime is 12117709. The reversal of 12117704 is 40771121.

12117704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10432900 + 1684804 = 3230^2 + 1298^2 .

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 12117704.

It is not an unprimeable number, because it can be changed into a prime (12117709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757349 + ... + 757364.

Almost surely, 2^12117704 is an apocalyptic number.

It is an amenable number.

12117704 is a deficient number, since it is larger than the sum of its proper divisors (10603006).

12117704 is a wasteful number, since it uses less digits than its factorization.

12117704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514719 (or 1514715 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 12117704 is about 3481.0492671032. The cubic root of 12117704 is about 229.6889557253.

Adding to 12117704 its reverse (40771121), we get a palindrome (52888825).

It can be divided in two parts, 12117 and 704, that added together give a palindrome (12821).

The spelling of 12117704 in words is "twelve million, one hundred seventeen thousand, seven hundred four".