12127804 has 36 divisors (see below), whose sum is σ = 23597224. Its totient is φ = 5420448.

The previous prime is 12127799. The next prime is 12127807. The reversal of 12127804 is 40872121.

It is a happy number.

12127804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12127807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180979 + ... + 181045.

Almost surely, 2^12127804 is an apocalyptic number.

It is an amenable number.

12127804 is a deficient number, since it is larger than the sum of its proper divisors (11469420).

12127804 is a wasteful number, since it uses less digits than its factorization.

12127804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12127804 is about 3482.4996769562. The cubic root of 12127804 is about 229.7527525805.

Adding to 12127804 its reverse (40872121), we get a palindrome (52999925).

The spelling of 12127804 in words is "twelve million, one hundred twenty-seven thousand, eight hundred four".