12115165 has 8 divisors (see below), whose sum is σ = 14653440. Its totient is φ = 9615312.

The previous prime is 12115163. The next prime is 12115193. The reversal of 12115165 is 56151121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12115165 - 2¹ = 12115163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12115163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8905 + ... + 10174.

It is an arithmetic number, because the mean of its divisors is an integer number (1831680).

Almost surely, 2^12115165 is an apocalyptic number.

It is an amenable number.

12115165 is a deficient number, since it is larger than the sum of its proper divisors (2538275).

12115165 is a wasteful number, since it uses less digits than its factorization.

12115165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19211.

The product of its digits is 300, while the sum is 22.

The square root of 12115165 is about 3480.6845591062. The cubic root of 12115165 is about 229.6729125047.

Adding to 12115165 its reverse (56151121), we get a palindrome (68266286).

The spelling of 12115165 in words is "twelve million, one hundred fifteen thousand, one hundred sixty-five".