12120716 has 6 divisors (see below), whose sum is σ = 21211260. Its totient is φ = 6060356.

The previous prime is 12120709. The next prime is 12120737. The reversal of 12120716 is 61702121.

12120716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515086 + ... + 1515093.

It is an arithmetic number, because the mean of its divisors is an integer number (3535210).

Almost surely, 2^12120716 is an apocalyptic number.

It is an amenable number.

12120716 is a deficient number, since it is larger than the sum of its proper divisors (9090544).

12120716 is a wasteful number, since it uses less digits than its factorization.

12120716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030183 (or 3030181 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 12120716 is about 3481.4818684003. The cubic root of 12120716 is about 229.7079847928.

Adding to 12120716 its reverse (61702121), we get a palindrome (73822837).

The spelling of 12120716 in words is "twelve million, one hundred twenty thousand, seven hundred sixteen".