12742843 has 8 divisors (see below), whose sum is σ = 13747968. Its totient is φ = 11766144.

The previous prime is 12742823. The next prime is 12742871. The reversal of 12742843 is 34824721.

12742843 is digitally balanced in base 2, 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 12742843 - 2⁵ = 12742811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12742823) 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, 6171 + ... + 7972.

It is an arithmetic number, because the mean of its divisors is an integer number (1718496).

Almost surely, 2^12742843 is an apocalyptic number.

12742843 is a deficient number, since it is larger than the sum of its proper divisors (1005125).

12742843 is a wasteful number, since it uses less digits than its factorization.

12742843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14213.

The product of its digits is 10752, while the sum is 31.

The square root of 12742843 is about 3569.7118931365. The cubic root of 12742843 is about 233.5727160052.

The spelling of 12742843 in words is "twelve million, seven hundred forty-two thousand, eight hundred forty-three".