12006564 has 12 divisors (see below), whose sum is σ = 28015344. Its totient is φ = 4002184.

The previous prime is 12006541. The next prime is 12006583. The reversal of 12006564 is 46560021.

12006564 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500262 + ... + 500285.

It is an arithmetic number, because the mean of its divisors is an integer number (2334612).

Almost surely, 2^12006564 is an apocalyptic number.

It is an amenable number.

12006564 is an abundant number, since it is smaller than the sum of its proper divisors (16008780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12006564 is a wasteful number, since it uses less digits than its factorization.

12006564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000554 (or 1000552 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12006564 is about 3465.0489174036. The cubic root of 12006564 is about 228.9845848144.

Adding to 12006564 its reverse (46560021), we get a palindrome (58566585).

The spelling of 12006564 in words is "twelve million, six thousand, five hundred sixty-four".