12055442 has 16 divisors (see below), whose sum is σ = 20711040. Its totient is φ = 5155488.

The previous prime is 12055423. The next prime is 12055447. The reversal of 12055442 is 24455021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12055447) 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, 12398 + ... + 13334.

It is an arithmetic number, because the mean of its divisors is an integer number (1294440).

Almost surely, 2^12055442 is an apocalyptic number.

12055442 is a deficient number, since it is larger than the sum of its proper divisors (8655598).

12055442 is an equidigital number, since it uses as much as digits as its factorization.

12055442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 12055442 is about 3472.0947567715. The cubic root of 12055442 is about 229.2948916059.

The spelling of 12055442 in words is "twelve million, fifty-five thousand, four hundred forty-two".