12004522 has 8 divisors (see below), whose sum is σ = 18027072. Its totient is φ = 5995500.

The previous prime is 12004519. The next prime is 12004529. The reversal of 12004522 is 22540021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12004496 and 12004505.

It is not an unprimeable number, because it can be changed into a prime (12004529) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 754 + ... + 4957.

It is an arithmetic number, because the mean of its divisors is an integer number (2253384).

Almost surely, 2^12004522 is an apocalyptic number.

12004522 is a deficient number, since it is larger than the sum of its proper divisors (6022550).

12004522 is a wasteful number, since it uses less digits than its factorization.

12004522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 12004522 is about 3464.7542481394. The cubic root of 12004522 is about 228.9716026647.

Adding to 12004522 its reverse (22540021), we get a palindrome (34544543).

The spelling of 12004522 in words is "twelve million, four thousand, five hundred twenty-two".