12151165 has 16 divisors (see below), whose sum is σ = 16531200. Its totient is φ = 8500032.

The previous prime is 12151147. The next prime is 12151169. The reversal of 12151165 is 56115121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12151165 - 2¹⁹ = 11626877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12151169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3685 + ... + 6154.

It is an arithmetic number, because the mean of its divisors is an integer number (1033200).

Almost surely, 2^12151165 is an apocalyptic number.

It is an amenable number.

12151165 is a deficient number, since it is larger than the sum of its proper divisors (4380035).

12151165 is a wasteful number, since it uses less digits than its factorization.

12151165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9876.

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

The square root of 12151165 is about 3485.8521196402. The cubic root of 12151165 is about 229.9001772239.

Adding to 12151165 its reverse (56115121), we get a palindrome (68266286).

It can be divided in two parts, 1215116 and 5, that added together give a palindrome (1215121).

The spelling of 12151165 in words is "twelve million, one hundred fifty-one thousand, one hundred sixty-five".