12056055 has 32 divisors (see below), whose sum is σ = 21731328. Its totient is φ = 5654400.

The previous prime is 12056041. The next prime is 12056059. The reversal of 12056055 is 55065021.

It is not a de Polignac number, because 12056055 - 2¹⁰ = 12055031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3937 + ... + 6293.

It is an arithmetic number, because the mean of its divisors is an integer number (679104).

Almost surely, 2^12056055 is an apocalyptic number.

12056055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12056055 is a deficient number, since it is larger than the sum of its proper divisors (9675273).

12056055 is a wasteful number, since it uses less digits than its factorization.

12056055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 12056055 is about 3472.1830308899. The cubic root of 12056055 is about 229.2987779665.

It can be divided in two parts, 1205 and 6055, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 12056055 in words is "twelve million, fifty-six thousand, fifty-five".