12083820 has 48 divisors (see below), whose sum is σ = 38669568. Its totient is φ = 2761920.

The previous prime is 12083803. The next prime is 12083839. The reversal of 12083820 is 2838021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13966 + ... + 14805.

It is an arithmetic number, because the mean of its divisors is an integer number (805616).

Almost surely, 2^12083820 is an apocalyptic number.

12083820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12083820 is an abundant number, since it is smaller than the sum of its proper divisors (26585748).

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

12083820 is a wasteful number, since it uses less digits than its factorization.

12083820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28790 (or 28788 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12083820 is about 3476.1789367062. The cubic root of 12083820 is about 229.4746674399.

The spelling of 12083820 in words is "twelve million, eighty-three thousand, eight hundred twenty".