12055406 has 32 divisors (see below), whose sum is σ = 20528640. Its totient is φ = 5262400.

The previous prime is 12055391. The next prime is 12055409. The reversal of 12055406 is 60455021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91961 + ... + 92091.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^12055406 is an apocalyptic number.

12055406 is a deficient number, since it is larger than the sum of its proper divisors (8473234).

12055406 is a wasteful number, since it uses less digits than its factorization.

12055406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 12055406 is about 3472.0895725773. The cubic root of 12055406 is about 229.2946633652.

The spelling of 12055406 in words is "twelve million, fifty-five thousand, four hundred six".