12942347 has 8 divisors (see below), whose sum is σ = 14463792. Its totient is φ = 11478400.

The previous prime is 12942337. The next prime is 12942359. The reversal of 12942347 is 74324921.

12942347 is digitally balanced in base 2 and base 3, because in such bases 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 12942347 - 2⁴ = 12942331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12942337) 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, 13898 + ... + 14799.

It is an arithmetic number, because the mean of its divisors is an integer number (1807974).

Almost surely, 2^12942347 is an apocalyptic number.

12942347 is a deficient number, since it is larger than the sum of its proper divisors (1521445).

12942347 is a wasteful number, since it uses less digits than its factorization.

12942347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28749.

The product of its digits is 12096, while the sum is 32.

The square root of 12942347 is about 3597.5473589655. The cubic root of 12942347 is about 234.7853600744.

The spelling of 12942347 in words is "twelve million, nine hundred forty-two thousand, three hundred forty-seven".