9747143 has 4 divisors (see below), whose sum is σ = 11139600. Its totient is φ = 8354688.

The previous prime is 9747121. The next prime is 9747149. The reversal of 9747143 is 3417479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3417479 = 13 ⋅262883.

It is a cyclic number.

It is not a de Polignac number, because 9747143 - 2¹⁰ = 9746119 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 (9747149) 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 3 ways as a sum of consecutive naturals, for example, 696218 + ... + 696231.

It is an arithmetic number, because the mean of its divisors is an integer number (2784900).

Almost surely, 2^9747143 is an apocalyptic number.

9747143 is a deficient number, since it is larger than the sum of its proper divisors (1392457).

9747143 is a wasteful number, since it uses less digits than its factorization.

9747143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392456.

The product of its digits is 21168, while the sum is 35.

The square root of 9747143 is about 3122.0414795451. The cubic root of 9747143 is about 213.6120654039.

The spelling of 9747143 in words is "nine million, seven hundred forty-seven thousand, one hundred forty-three".