12571671 has 8 divisors (see below), whose sum is σ = 19156864. Its totient is φ = 7183800.

The previous prime is 12571667. The next prime is 12571681. The reversal of 12571671 is 17617521.

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

It is not a de Polignac number, because 12571671 - 2² = 12571667 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 (12571621) 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, 299305 + ... + 299346.

It is an arithmetic number, because the mean of its divisors is an integer number (2394608).

Almost surely, 2^12571671 is an apocalyptic number.

12571671 is a deficient number, since it is larger than the sum of its proper divisors (6585193).

12571671 is an equidigital number, since it uses as much as digits as its factorization.

12571671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598661.

The product of its digits is 2940, while the sum is 30.

The square root of 12571671 is about 3545.6552285861. The cubic root of 12571671 is about 232.5221530516.

The spelling of 12571671 in words is "twelve million, five hundred seventy-one thousand, six hundred seventy-one".