12011716 has 12 divisors (see below), whose sum is σ = 21058240. Its totient is φ = 5995080.

The previous prime is 12011711. The next prime is 12011723. The reversal of 12011716 is 61711021.

It is a junction number, because it is equal to n+sod(n) for n = 12011693 and 12011702.

It is not an unprimeable number, because it can be changed into a prime (12011711) 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, 145 + ... + 4903.

Almost surely, 2^12011716 is an apocalyptic number.

It is an amenable number.

12011716 is a deficient number, since it is larger than the sum of its proper divisors (9046524).

12011716 is a wasteful number, since it uses less digits than its factorization.

12011716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5394 (or 5392 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 12011716 is about 3465.7922615183. The cubic root of 12011716 is about 229.0173324537.

Adding to 12011716 its reverse (61711021), we get a palindrome (73722737).

The spelling of 12011716 in words is "twelve million, eleven thousand, seven hundred sixteen".