12055842 has 24 divisors (see below), whose sum is σ = 27496560. Its totient is φ = 3807000.

The previous prime is 12055837. The next prime is 12055843. The reversal of 12055842 is 24855021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12055843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17284 + ... + 17967.

It is an arithmetic number, because the mean of its divisors is an integer number (1145690).

Almost surely, 2^12055842 is an apocalyptic number.

12055842 is an abundant number, since it is smaller than the sum of its proper divisors (15440718).

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

12055842 is a wasteful number, since it uses less digits than its factorization.

12055842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35278 (or 35275 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 12055842 is about 3472.1523584083. The cubic root of 12055842 is about 229.2974275821.

The spelling of 12055842 in words is "twelve million, fifty-five thousand, eight hundred forty-two".