12854143 has 8 divisors (see below), whose sum is σ = 13158288. Its totient is φ = 12552384.

The previous prime is 12854141. The next prime is 12854147. The reversal of 12854143 is 34145821.

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 12854143 - 2¹ = 12854141 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 (12854141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14571 + ... + 15427.

It is an arithmetic number, because the mean of its divisors is an integer number (1644786).

Almost surely, 2^12854143 is an apocalyptic number.

12854143 is a deficient number, since it is larger than the sum of its proper divisors (304145).

12854143 is an equidigital number, since it uses as much as digits as its factorization.

12854143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193.

The product of its digits is 3840, while the sum is 28.

The square root of 12854143 is about 3585.2674935073. The cubic root of 12854143 is about 234.2507782140.

Adding to 12854143 its reverse (34145821), we get a palindrome (46999964).

The spelling of 12854143 in words is "twelve million, eight hundred fifty-four thousand, one hundred forty-three".