12056105 has 4 divisors (see below), whose sum is σ = 14467332. Its totient is φ = 9644880.

The previous prime is 12056087. The next prime is 12056113. The reversal of 12056105 is 50165021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50165021 = 881 ⋅56941.

It can be written as a sum of positive squares in 2 ways, for example, as 7198489 + 4857616 = 2683^2 + 2204^2 .

It is not a de Polignac number, because 12056105 - 2⁶ = 12056041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205606 + ... + 1205615.

It is an arithmetic number, because the mean of its divisors is an integer number (3616833).

Almost surely, 2^12056105 is an apocalyptic number.

It is an amenable number.

12056105 is a deficient number, since it is larger than the sum of its proper divisors (2411227).

12056105 is an equidigital number, since it uses as much as digits as its factorization.

12056105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411226.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 12056105 is about 3472.1902309637. The cubic root of 12056105 is about 229.2990949559.

The spelling of 12056105 in words is "twelve million, fifty-six thousand, one hundred five".