12871549 has 8 divisors (see below), whose sum is σ = 13253120. Its totient is φ = 12495600.

The previous prime is 12871543. The next prime is 12871583. The reversal of 12871549 is 94517821.

12871549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12871549 - 2¹¹ = 12869501 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 (12871543) 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, 3484 + ... + 6154.

It is an arithmetic number, because the mean of its divisors is an integer number (1656640).

Almost surely, 2^12871549 is an apocalyptic number.

It is an amenable number.

12871549 is a deficient number, since it is larger than the sum of its proper divisors (381571).

12871549 is an equidigital number, since it uses as much as digits as its factorization.

12871549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811.

The product of its digits is 20160, while the sum is 37.

The square root of 12871549 is about 3587.6941062471. The cubic root of 12871549 is about 234.3564647624.

The spelling of 12871549 in words is "twelve million, eight hundred seventy-one thousand, five hundred forty-nine".