12541165 has 32 divisors (see below), whose sum is σ = 18982656. Its totient is φ = 7741440.

The previous prime is 12541163. The next prime is 12541183. The reversal of 12541165 is 56114521.

It is a happy number.

It is not a de Polignac number, because 12541165 - 2¹ = 12541163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12541163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19245 + ... + 19885.

It is an arithmetic number, because the mean of its divisors is an integer number (593208).

Almost surely, 2^12541165 is an apocalyptic number.

It is an amenable number.

12541165 is a deficient number, since it is larger than the sum of its proper divisors (6441491).

12541165 is a wasteful number, since it uses less digits than its factorization.

12541165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709.

The product of its digits is 1200, while the sum is 25.

The square root of 12541165 is about 3541.3507310065. The cubic root of 12541165 is about 232.3339238703. Note that the first 3 decimals are identical.

Adding to 12541165 its reverse (56114521), we get a palindrome (68655686).

The spelling of 12541165 in words is "twelve million, five hundred forty-one thousand, one hundred sixty-five".