12601165 has 8 divisors (see below), whose sum is σ = 16011000. Its totient is φ = 9487872.

The previous prime is 12601153. The next prime is 12601181. The reversal of 12601165 is 56110621.

It can be written as a sum of positive squares in 4 ways, for example, as 1331716 + 11269449 = 1154^2 + 3357^2 .

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 12601165 - 2⁵ = 12601133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74040 + ... + 74209.

It is an arithmetic number, because the mean of its divisors is an integer number (2001375).

Almost surely, 2^12601165 is an apocalyptic number.

It is an amenable number.

12601165 is a deficient number, since it is larger than the sum of its proper divisors (3409835).

12601165 is a wasteful number, since it uses less digits than its factorization.

12601165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148271.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12601165 is about 3549.8119668512. The cubic root of 12601165 is about 232.7038486602.

Adding to 12601165 its reverse (56110621), we get a palindrome (68711786).

The spelling of 12601165 in words is "twelve million, six hundred one thousand, one hundred sixty-five".