12164265 has 24 divisors (see below), whose sum is σ = 22326408. Its totient is φ = 6105600.

The previous prime is 12164239. The next prime is 12164279. The reversal of 12164265 is 56246121.

12164265 is a `hidden beast` number, since 12 + 1 + 642 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6533136 + 5631129 = 2556^2 + 2373^2 .

It is not a de Polignac number, because 12164265 - 2¹⁰ = 12163241 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 23 ways as a sum of consecutive naturals, for example, 7186 + ... + 8715.

It is an arithmetic number, because the mean of its divisors is an integer number (930267).

Almost surely, 2^12164265 is an apocalyptic number.

12164265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12164265 is a deficient number, since it is larger than the sum of its proper divisors (10162143).

12164265 is a wasteful number, since it uses less digits than its factorization.

12164265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15929 (or 15926 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 12164265 is about 3487.7306375350. The cubic root of 12164265 is about 229.9827649341.

The spelling of 12164265 in words is "twelve million, one hundred sixty-four thousand, two hundred sixty-five".