12847143 has 8 divisors (see below), whose sum is σ = 17232768. Its totient is φ = 8513144.

The previous prime is 12847139. The next prime is 12847187. The reversal of 12847143 is 34174821.

12847143 is nontrivially palindromic in base 14.

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 12847143 - 2² = 12847139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12847143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12847943) 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, 12321 + ... + 13322.

It is an arithmetic number, because the mean of its divisors is an integer number (2154096).

Almost surely, 2^12847143 is an apocalyptic number.

12847143 is a deficient number, since it is larger than the sum of its proper divisors (4385625).

12847143 is a wasteful number, since it uses less digits than its factorization.

12847143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25813.

The product of its digits is 5376, while the sum is 30.

The square root of 12847143 is about 3584.2911433085. The cubic root of 12847143 is about 234.2082483932.

The spelling of 12847143 in words is "twelve million, eight hundred forty-seven thousand, one hundred forty-three".