12847142 has 16 divisors (see below), whose sum is σ = 24026112. Its totient is φ = 5005320.

The previous prime is 12847139. The next prime is 12847187. The reversal of 12847142 is 24174821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41558 + ... + 41865.

It is an arithmetic number, because the mean of its divisors is an integer number (1501632).

Almost surely, 2^12847142 is an apocalyptic number.

12847142 is a deficient number, since it is larger than the sum of its proper divisors (11178970).

12847142 is a wasteful number, since it uses less digits than its factorization.

12847142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83443.

The product of its digits is 3584, while the sum is 29.

The square root of 12847142 is about 3584.2910038109. The cubic root of 12847142 is about 234.2082423164.

The spelling of 12847142 in words is "twelve million, eight hundred forty-seven thousand, one hundred forty-two".