12663201 has 12 divisors (see below), whose sum is σ = 17204816. Its totient is φ = 8283000.

The previous prime is 12663197. The next prime is 12663223. The reversal of 12663201 is 10236621.

It is a happy number.

It is not a de Polignac number, because 12663201 - 2² = 12663197 is a prime.

It is a super-3 number, since 3×12663201³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12663241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50326 + ... + 50576.

Almost surely, 2^12663201 is an apocalyptic number.

It is an amenable number.

12663201 is a deficient number, since it is larger than the sum of its proper divisors (4541615).

12663201 is an frugal number, since it uses more digits than its factorization.

12663201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12663201 is about 3558.5391665682. The cubic root of 12663201 is about 233.0850935916.

Adding to 12663201 its reverse (10236621), we get a palindrome (22899822).

The spelling of 12663201 in words is "twelve million, six hundred sixty-three thousand, two hundred one".