12024420 has 24 divisors (see below), whose sum is σ = 33668544. Its totient is φ = 3206496.

The previous prime is 12024413. The next prime is 12024451. The reversal of 12024420 is 2442021.

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 12024420.

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, 100144 + ... + 100263.

It is an arithmetic number, because the mean of its divisors is an integer number (1402856).

Almost surely, 2^12024420 is an apocalyptic number.

12024420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12024420 is an abundant number, since it is smaller than the sum of its proper divisors (21644124).

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

12024420 is a wasteful number, since it uses less digits than its factorization.

12024420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200419 (or 200417 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 12024420 is about 3467.6245471504. The cubic root of 12024420 is about 229.0980428503.

Adding to 12024420 its reverse (2442021), we get a palindrome (14466441).

The spelling of 12024420 in words is "twelve million, twenty-four thousand, four hundred twenty".