12120706 has 8 divisors (see below), whose sum is σ = 19579644. Its totient is φ = 5594160.

The previous prime is 12120683. The next prime is 12120709. The reversal of 12120706 is 60702121.

It can be written as a sum of positive squares in 2 ways, for example, as 11964681 + 156025 = 3459^2 + 395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12120709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233065 + ... + 233116.

Almost surely, 2^12120706 is an apocalyptic number.

12120706 is a deficient number, since it is larger than the sum of its proper divisors (7458938).

12120706 is a wasteful number, since it uses less digits than its factorization.

12120706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466196.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 12120706 is about 3481.4804322299. The cubic root of 12120706 is about 229.7079216205.

Adding to 12120706 its reverse (60702121), we get a palindrome (72822827).

The spelling of 12120706 in words is "twelve million, one hundred twenty thousand, seven hundred six".