12500271 has 48 divisors (see below), whose sum is σ = 22662400. Its totient is φ = 6652368.

The previous prime is 12500263. The next prime is 12500329. The reversal of 12500271 is 17200521.

It is not a de Polignac number, because 12500271 - 2³ = 12500263 is a prime.

It is a Duffinian number.

12500271 is a modest number, since divided by 271 gives 125 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211840 + ... + 211898.

Almost surely, 2^12500271 is an apocalyptic number.

12500271 is a deficient number, since it is larger than the sum of its proper divisors (10162129).

12500271 is an equidigital number, since it uses as much as digits as its factorization.

12500271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 12500271 is about 3535.5722309126. The cubic root of 12500271 is about 232.0811188293.

Adding to 12500271 its reverse (17200521), we get a palindrome (29700792).

The spelling of 12500271 in words is "twelve million, five hundred thousand, two hundred seventy-one".