12052165 has 4 divisors (see below), whose sum is σ = 14462604. Its totient is φ = 9641728.

The previous prime is 12052151. The next prime is 12052171. The reversal of 12052165 is 56125021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56125021 = 3793 ⋅14797.

It can be written as a sum of positive squares in 2 ways, for example, as 8491396 + 3560769 = 2914^2 + 1887^2 .

It is a cyclic number.

It is not a de Polignac number, because 12052165 - 2¹¹ = 12050117 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent 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, 1205212 + ... + 1205221.

It is an arithmetic number, because the mean of its divisors is an integer number (3615651).

Almost surely, 2^12052165 is an apocalyptic number.

It is an amenable number.

12052165 is a deficient number, since it is larger than the sum of its proper divisors (2410439).

12052165 is an equidigital number, since it uses as much as digits as its factorization.

12052165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410438.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 12052165 is about 3471.6228193742. The cubic root of 12052165 is about 229.2741135082.

Adding to 12052165 its reverse (56125021), we get a palindrome (68177186).

The spelling of 12052165 in words is "twelve million, fifty-two thousand, one hundred sixty-five".