12026604 has 24 divisors (see below), whose sum is σ = 28448560. Its totient is φ = 3953664.

The previous prime is 12026603. The next prime is 12026647. The reversal of 12026604 is 40662021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12026603) 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 7 ways as a sum of consecutive naturals, for example, 5989 + ... + 7740.

Almost surely, 2^12026604 is an apocalyptic number.

It is an amenable number.

12026604 is an abundant number, since it is smaller than the sum of its proper divisors (16421956).

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

12026604 is a wasteful number, since it uses less digits than its factorization.

12026604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13809 (or 13807 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12026604 is about 3467.9394458381. The cubic root of 12026604 is about 229.1119123990. Note that the first 3 decimals are identical.

Adding to 12026604 its reverse (40662021), we get a palindrome (52688625).

The spelling of 12026604 in words is "twelve million, twenty-six thousand, six hundred four".