12249165 has 24 divisors (see below), whose sum is σ = 20318688. Its totient is φ = 6301120.

The previous prime is 12249157. The next prime is 12249199. The reversal of 12249165 is 56194221.

It is not a de Polignac number, because 12249165 - 2³ = 12249157 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 12130 + ... + 13100.

It is an arithmetic number, because the mean of its divisors is an integer number (846612).

Almost surely, 2^12249165 is an apocalyptic number.

12249165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12249165 is a deficient number, since it is larger than the sum of its proper divisors (8069523).

12249165 is an equidigital number, since it uses as much as digits as its factorization.

12249165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1008 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 12249165 is about 3499.8807122529. The cubic root of 12249165 is about 230.5165767774.

The spelling of 12249165 in words is "twelve million, two hundred forty-nine thousand, one hundred sixty-five".