12043320 has 32 divisors (see below), whose sum is σ = 36130320. Its totient is φ = 3211520.

The previous prime is 12043289. The next prime is 12043331. The reversal of 12043320 is 2334021.

12043320 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12043320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50061 + ... + 50300.

Almost surely, 2^12043320 is an apocalyptic number.

12043320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12043320 is an abundant number, since it is smaller than the sum of its proper divisors (24087000).

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

12043320 is a wasteful number, since it uses less digits than its factorization.

12043320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100375 (or 100371 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 12043320 is about 3470.3486856511. The cubic root of 12043320 is about 229.2180122232.

Adding to 12043320 its reverse (2334021), we get a palindrome (14377341).

It can be divided in two parts, 120 and 43320, that multiplied together give a square (5198400 = 2280²).

The spelling of 12043320 in words is "twelve million, forty-three thousand, three hundred twenty".