12727201 has 4 divisors (see below), whose sum is σ = 13166100. Its totient is φ = 12288304.

The previous prime is 12727171. The next prime is 12727213. The reversal of 12727201 is 10272721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10272721 = 2963 ⋅3467.

It can be written as a sum of positive squares in 2 ways, for example, as 10627600 + 2099601 = 3260^2 + 1449^2 .

It is a cyclic number.

It is not a de Polignac number, because 12727201 - 2⁹ = 12726689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12727291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219406 + ... + 219463.

It is an arithmetic number, because the mean of its divisors is an integer number (3291525).

Almost surely, 2^12727201 is an apocalyptic number.

It is an amenable number.

12727201 is a deficient number, since it is larger than the sum of its proper divisors (438899).

12727201 is an equidigital number, since it uses as much as digits as its factorization.

12727201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438898.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 12727201 is about 3567.5202872584. The cubic root of 12727201 is about 233.4771057250.

Adding to 12727201 its reverse (10272721), we get a palindrome (22999922).

It can be divided in two parts, 1272720 and 1, that added together give a palindrome (1272721).

The spelling of 12727201 in words is "twelve million, seven hundred twenty-seven thousand, two hundred one".