12342347 has 4 divisors (see below), whose sum is σ = 12354696. Its totient is φ = 12330000.

The previous prime is 12342331. The next prime is 12342359. The reversal of 12342347 is 74324321.

12342347 is digitally balanced in base 2, 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 12342347 - 2⁴ = 12342331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12342307) 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, 4529 + ... + 6722.

It is an arithmetic number, because the mean of its divisors is an integer number (3088674).

Almost surely, 2^12342347 is an apocalyptic number.

12342347 is a deficient number, since it is larger than the sum of its proper divisors (12349).

12342347 is a wasteful number, since it uses less digits than its factorization.

12342347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12348.

The product of its digits is 4032, while the sum is 26.

The square root of 12342347 is about 3513.1676589653. The cubic root of 12342347 is about 231.0996303177.

Adding to 12342347 its reverse (74324321), we get a palindrome (86666668).

The spelling of 12342347 in words is "twelve million, three hundred forty-two thousand, three hundred forty-seven".