12035820 has 24 divisors (see below), whose sum is σ = 33700464. Its totient is φ = 3209536.

The previous prime is 12035809. The next prime is 12035827. The reversal of 12035820 is 2853021.

It is not an unprimeable number, because it can be changed into a prime (12035827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100239 + ... + 100358.

It is an arithmetic number, because the mean of its divisors is an integer number (1404186).

Almost surely, 2^12035820 is an apocalyptic number.

12035820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12035820 is an abundant number, since it is smaller than the sum of its proper divisors (21664644).

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

12035820 is a wasteful number, since it uses less digits than its factorization.

12035820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200609 (or 200607 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12035820 is about 3469.2679343054. The cubic root of 12035820 is about 229.1704203609.

Adding to 12035820 its reverse (2853021), we get a palindrome (14888841).

The spelling of 12035820 in words is "twelve million, thirty-five thousand, eight hundred twenty".