12022004 has 12 divisors (see below), whose sum is σ = 21335328. Its totient is φ = 5926200.

The previous prime is 12021991. The next prime is 12022007. The reversal of 12022004 is 40022021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20882 + ... + 21449.

It is an arithmetic number, because the mean of its divisors is an integer number (1777944).

Almost surely, 2^12022004 is an apocalyptic number.

It is an amenable number.

12022004 is a deficient number, since it is larger than the sum of its proper divisors (9313324).

12022004 is a wasteful number, since it uses less digits than its factorization.

12022004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42406 (or 42404 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 12022004 is about 3467.2761643688. The cubic root of 12022004 is about 229.0826980230.

Adding to 12022004 its reverse (40022021), we get a palindrome (52044025).

The spelling of 12022004 in words is "twelve million, twenty-two thousand, four".