12680271 has 24 divisors (see below), whose sum is σ = 19329024. Its totient is φ = 7998480.

The previous prime is 12680267. The next prime is 12680273. The reversal of 12680271 is 17208621.

It is not a de Polignac number, because 12680271 - 2² = 12680267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12680273) 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 23 ways as a sum of consecutive naturals, for example, 12630 + ... + 13596.

It is an arithmetic number, because the mean of its divisors is an integer number (805376).

Almost surely, 2^12680271 is an apocalyptic number.

12680271 is a deficient number, since it is larger than the sum of its proper divisors (6648753).

12680271 is a wasteful number, since it uses less digits than its factorization.

12680271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 12680271 is about 3560.9368149407. The cubic root of 12680271 is about 233.1897794998.

Adding to 12680271 its reverse (17208621), we get a palindrome (29888892).

It can be divided in two parts, 1268027 and 1, that added together give a triangular number (1268028 = T₁₅₉₂).

The spelling of 12680271 in words is "twelve million, six hundred eighty thousand, two hundred seventy-one".