12753271 has 4 divisors (see below), whose sum is σ = 13097992. Its totient is φ = 12408552.

The previous prime is 12753259. The next prime is 12753277. The reversal of 12753271 is 17235721.

12753271 = 569² + 570² + ... + 605².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12753271 - 2⁹ = 12752759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12753277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172305 + ... + 172378.

It is an arithmetic number, because the mean of its divisors is an integer number (3274498).

Almost surely, 2^12753271 is an apocalyptic number.

12753271 is a deficient number, since it is larger than the sum of its proper divisors (344721).

12753271 is an equidigital number, since it uses as much as digits as its factorization.

12753271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344720.

The product of its digits is 2940, while the sum is 28.

The square root of 12753271 is about 3571.1722165138. The cubic root of 12753271 is about 233.6364127321.

Adding to 12753271 its reverse (17235721), we get a palindrome (29988992).

The spelling of 12753271 in words is "twelve million, seven hundred fifty-three thousand, two hundred seventy-one".