12347473 has 4 divisors (see below), whose sum is σ = 12997360. Its totient is φ = 11697588.

The previous prime is 12347471. The next prime is 12347483. The reversal of 12347473 is 37474321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12347473 - 2¹ = 12347471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12347471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324915 + ... + 324952.

It is an arithmetic number, because the mean of its divisors is an integer number (3249340).

Almost surely, 2^12347473 is an apocalyptic number.

It is an amenable number.

12347473 is a deficient number, since it is larger than the sum of its proper divisors (649887).

12347473 is an equidigital number, since it uses as much as digits as its factorization.

12347473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649886.

The product of its digits is 14112, while the sum is 31.

The square root of 12347473 is about 3513.8971242767. The cubic root of 12347473 is about 231.1316191754.

The spelling of 12347473 in words is "twelve million, three hundred forty-seven thousand, four hundred seventy-three".