12515165 has 16 divisors (see below), whose sum is σ = 16697856. Its totient is φ = 8942400.

The previous prime is 12515161. The next prime is 12515171. The reversal of 12515165 is 56151521.

It is not a de Polignac number, because 12515165 - 2² = 12515161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12515161) 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, 1091 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (1043616).

Almost surely, 2^12515165 is an apocalyptic number.

It is an amenable number.

12515165 is a deficient number, since it is larger than the sum of its proper divisors (4182691).

12515165 is a wasteful number, since it uses less digits than its factorization.

12515165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260.

The product of its digits is 1500, while the sum is 26.

The square root of 12515165 is about 3537.6779107205. The cubic root of 12515165 is about 232.1732566783.

Adding to 12515165 its reverse (56151521), we get a palindrome (68666686).

It can be divided in two parts, 1251516 and 5, that added together give a palindrome (1251521).

The spelling of 12515165 in words is "twelve million, five hundred fifteen thousand, one hundred sixty-five".