12571271 has 8 divisors (see below), whose sum is σ = 13153920. Its totient is φ = 11991672.

The previous prime is 12571267. The next prime is 12571301. The reversal of 12571271 is 17217521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12571271 - 2² = 12571267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12571271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12571201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13796 + ... + 14678.

It is an arithmetic number, because the mean of its divisors is an integer number (1644240).

Almost surely, 2^12571271 is an apocalyptic number.

12571271 is a deficient number, since it is larger than the sum of its proper divisors (582649).

12571271 is an equidigital number, since it uses as much as digits as its factorization.

12571271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525.

The product of its digits is 980, while the sum is 26.

The square root of 12571271 is about 3545.5988210738. The cubic root of 12571271 is about 232.5196869289.

Adding to 12571271 its reverse (17217521), we get a palindrome (29788792).

The spelling of 12571271 in words is "twelve million, five hundred seventy-one thousand, two hundred seventy-one".