12008420 has 12 divisors (see below), whose sum is σ = 25217724. Its totient is φ = 4803360.

The previous prime is 12008419. The next prime is 12008431. The reversal of 12008420 is 2480021.

It can be written as a sum of positive squares in 2 ways, for example, as 3211264 + 8797156 = 1792^2 + 2966^2 .

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, 300191 + ... + 300230.

It is an arithmetic number, because the mean of its divisors is an integer number (2101477).

Almost surely, 2^12008420 is an apocalyptic number.

12008420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12008420 is an abundant number, since it is smaller than the sum of its proper divisors (13209304).

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

12008420 is a wasteful number, since it uses less digits than its factorization.

12008420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600430 (or 600428 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 12008420 is about 3465.3167243414. The cubic root of 12008420 is about 228.9963831799.

Adding to 12008420 its reverse (2480021), we get a palindrome (14488441).

The spelling of 12008420 in words is "twelve million, eight thousand, four hundred twenty".