12020304 has 20 divisors (see below), whose sum is σ = 31052576. Its totient is φ = 4006752.

The previous prime is 12020299. The next prime is 12020311. The reversal of 12020304 is 40302021.

12020304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12020304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125164 + ... + 125259.

Almost surely, 2^12020304 is an apocalyptic number.

It is an amenable number.

12020304 is an abundant number, since it is smaller than the sum of its proper divisors (19032272).

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

12020304 is a wasteful number, since it uses less digits than its factorization.

12020304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250434 (or 250428 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12020304 is about 3467.0310064953. The cubic root of 12020304 is about 229.0718995198.

Adding to 12020304 its reverse (40302021), we get a palindrome (52322325).

The spelling of 12020304 in words is "twelve million, twenty thousand, three hundred four".