12992165 has 16 divisors (see below), whose sum is σ = 16592688. Its totient is φ = 9732096.

The previous prime is 12992159. The next prime is 12992179. The reversal of 12992165 is 56129921.

It can be written as a sum of positive squares in 8 ways, for example, as 474721 + 12517444 = 689^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 12992165 - 2⁶ = 12992101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 29789 + ... + 30221.

It is an arithmetic number, because the mean of its divisors is an integer number (1037043).

Almost surely, 2^12992165 is an apocalyptic number.

It is an amenable number.

12992165 is a deficient number, since it is larger than the sum of its proper divisors (3600523).

12992165 is a wasteful number, since it uses less digits than its factorization.

12992165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808.

The product of its digits is 9720, while the sum is 35.

The square root of 12992165 is about 3604.4645926961. The cubic root of 12992165 is about 235.0862215680.

The spelling of 12992165 in words is "twelve million, nine hundred ninety-two thousand, one hundred sixty-five".