12005716 has 6 divisors (see below), whose sum is σ = 21010010. Its totient is φ = 6002856.

The previous prime is 12005699. The next prime is 12005717. The reversal of 12005716 is 61750021.

12005716 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., 11195716 + 810000 = 3346^2 + 900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500711 + ... + 1500718.

Almost surely, 2^12005716 is an apocalyptic number.

It is an amenable number.

12005716 is a deficient number, since it is larger than the sum of its proper divisors (9004294).

12005716 is a wasteful number, since it uses less digits than its factorization.

12005716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001433 (or 3001431 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 12005716 is about 3464.9265504481. The cubic root of 12005716 is about 228.9791937772.

Adding to 12005716 its reverse (61750021), we get a palindrome (73755737).

It can be divided in two parts, 12005 and 716, that added together give a palindrome (12721).

The spelling of 12005716 in words is "twelve million, five thousand, seven hundred sixteen".