12942043 has 4 divisors (see below), whose sum is σ = 13013728. Its totient is φ = 12870360.

The previous prime is 12942023. The next prime is 12942047. The reversal of 12942043 is 34024921.

12942043 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12942043 - 2⁹ = 12941531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12941999 and 12942017.

It is not an unprimeable number, because it can be changed into a prime (12942047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35571 + ... + 35932.

It is an arithmetic number, because the mean of its divisors is an integer number (3253432).

Almost surely, 2^12942043 is an apocalyptic number.

12942043 is a deficient number, since it is larger than the sum of its proper divisors (71685).

12942043 is an equidigital number, since it uses as much as digits as its factorization.

12942043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71684.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12942043 is about 3597.5051077101. The cubic root of 12942043 is about 234.7835217858.

Adding to 12942043 its reverse (34024921), we get a palindrome (46966964).

The spelling of 12942043 in words is "twelve million, nine hundred forty-two thousand, forty-three".