12006516 has 24 divisors (see below), whose sum is σ = 28088704. Its totient is φ = 3991680.

The previous prime is 12006509. The next prime is 12006521. The reversal of 12006516 is 61560021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12006492 and 12006501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4476 + ... + 6636.

Almost surely, 2^12006516 is an apocalyptic number.

It is an amenable number.

12006516 is an abundant number, since it is smaller than the sum of its proper divisors (16082188).

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

12006516 is a wasteful number, since it uses less digits than its factorization.

12006516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631 (or 2629 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 12006516 is about 3465.0419910876. The cubic root of 12006516 is about 228.9842796681.

Adding to 12006516 its reverse (61560021), we get a palindrome (73566537).

The spelling of 12006516 in words is "twelve million, six thousand, five hundred sixteen".