12056065 has 16 divisors (see below), whose sum is σ = 16594560. Its totient is φ = 8236800.

The previous prime is 12056059. The next prime is 12056081. The reversal of 12056065 is 56065021.

It is not a de Polignac number, because 12056065 - 2⁹ = 12055553 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13606 + ... + 14464.

It is an arithmetic number, because the mean of its divisors is an integer number (1037160).

Almost surely, 2^12056065 is an apocalyptic number.

12056065 is the 2005-th octagonal number.

It is an amenable number.

12056065 is a deficient number, since it is larger than the sum of its proper divisors (4538495).

12056065 is an equidigital number, since it uses as much as digits as its factorization.

12056065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 12056065 is about 3472.1844709059. The cubic root of 12056065 is about 229.2988413644.

The spelling of 12056065 in words is "twelve million, fifty-six thousand, sixty-five".