12718201 has 4 divisors (see below), whose sum is σ = 13387600. Its totient is φ = 12048804.

The previous prime is 12718187. The next prime is 12718213. The reversal of 12718201 is 10281721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10281721 = 191 ⋅53831.

It is a cyclic number.

It is not a de Polignac number, because 12718201 - 2¹⁵ = 12685433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12718291) 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, 334671 + ... + 334708.

It is an arithmetic number, because the mean of its divisors is an integer number (3346900).

Almost surely, 2^12718201 is an apocalyptic number.

12718201 is the 2256-th centered pentagonal number.

It is an amenable number.

12718201 is a deficient number, since it is larger than the sum of its proper divisors (669399).

12718201 is an equidigital number, since it uses as much as digits as its factorization.

12718201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669398.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 12718201 is about 3566.2586838310. The cubic root of 12718201 is about 233.4220585481.

Adding to 12718201 its reverse (10281721), we get a palindrome (22999922).

The spelling of 12718201 in words is "twelve million, seven hundred eighteen thousand, two hundred one".