12771275 has 12 divisors (see below), whose sum is σ = 17276424. Its totient is φ = 9288000.

The previous prime is 12771271. The next prime is 12771307. The reversal of 12771275 is 57217721.

It is not a de Polignac number, because 12771275 - 2² = 12771271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12771271) 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, 22946 + ... + 23495.

It is an arithmetic number, because the mean of its divisors is an integer number (1439702).

Almost surely, 2^12771275 is an apocalyptic number.

12771275 is a deficient number, since it is larger than the sum of its proper divisors (4505149).

12771275 is a wasteful number, since it uses less digits than its factorization.

12771275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46462 (or 46457 counting only the distinct ones).

The product of its digits is 6860, while the sum is 32.

The square root of 12771275 is about 3573.6920684357. The cubic root of 12771275 is about 233.7463038107.

Adding to 12771275 its reverse (57217721), we get a palindrome (69988996).

It can be divided in two parts, 1277 and 1275, that added together give a palindrome (2552).

The spelling of 12771275 in words is "twelve million, seven hundred seventy-one thousand, two hundred seventy-five".