12117706 has 16 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 5673888.

The previous prime is 12117697. The next prime is 12117709. The reversal of 12117706 is 60771121.

It is not an unprimeable number, because it can be changed into a prime (12117709) 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, 1591 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^12117706 is an apocalyptic number.

12117706 is a deficient number, since it is larger than the sum of its proper divisors (7235894).

12117706 is a wasteful number, since it uses less digits than its factorization.

12117706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 12117706 is about 3481.0495543729. The cubic root of 12117706 is about 229.6889683618.

Adding to 12117706 its reverse (60771121), we get a palindrome (72888827).

The spelling of 12117706 in words is "twelve million, one hundred seventeen thousand, seven hundred six".