12342747 has 4 divisors (see below), whose sum is σ = 16457000. Its totient is φ = 8228496.

The previous prime is 12342739. The next prime is 12342751. The reversal of 12342747 is 74724321.

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

It is not a de Polignac number, because 12342747 - 2³ = 12342739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12342727) 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, 2057122 + ... + 2057127.

It is an arithmetic number, because the mean of its divisors is an integer number (4114250).

Almost surely, 2^12342747 is an apocalyptic number.

12342747 is a deficient number, since it is larger than the sum of its proper divisors (4114253).

12342747 is an equidigital number, since it uses as much as digits as its factorization.

12342747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114252.

The product of its digits is 9408, while the sum is 30.

The square root of 12342747 is about 3513.2245871848. The cubic root of 12342747 is about 231.1021268406.

The spelling of 12342747 in words is "twelve million, three hundred forty-two thousand, seven hundred forty-seven".