12000522 has 16 divisors (see below), whose sum is σ = 24111360. Its totient is φ = 3981792.

The previous prime is 12000511. The next prime is 12000523. The reversal of 12000522 is 22500021.

12000522 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 junction number, because it is equal to n+sod(n) for n = 12000498 and 12000507.

It is not an unprimeable number, because it can be changed into a prime (12000523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3147 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (1506960).

Almost surely, 2^12000522 is an apocalyptic number.

12000522 is an abundant number, since it is smaller than the sum of its proper divisors (12110838).

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

12000522 is a wasteful number, since it uses less digits than its factorization.

12000522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 12000522 is about 3464.1769585285. The cubic root of 12000522 is about 228.9461681338.

Adding to 12000522 its reverse (22500021), we get a palindrome (34500543).

The spelling of 12000522 in words is "twelve million, five hundred twenty-two", and thus it is an aban number.