12017601 has 6 divisors (see below), whose sum is σ = 17358770. Its totient is φ = 8011728.

The previous prime is 12017567. The next prime is 12017609. The reversal of 12017601 is 10671021.

It can be written as a sum of positive squares in only one way, i.e., 9144576 + 2873025 = 3024^2 + 1695^2 .

It is not a de Polignac number, because 12017601 - 2¹⁰ = 12016577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12017609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667636 + ... + 667653.

Almost surely, 2^12017601 is an apocalyptic number.

It is an amenable number.

12017601 is a deficient number, since it is larger than the sum of its proper divisors (5341169).

12017601 is a wasteful number, since it uses less digits than its factorization.

12017601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335295 (or 1335292 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 12017601 is about 3466.6411697780. The cubic root of 12017601 is about 229.0547278032.

Adding to 12017601 its reverse (10671021), we get a palindrome (22688622).

The spelling of 12017601 in words is "twelve million, seventeen thousand, six hundred one".