12339473 has 4 divisors (see below), whose sum is σ = 12461748. Its totient is φ = 12217200.

The previous prime is 12339451. The next prime is 12339479. The reversal of 12339473 is 37493321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11751184 + 588289 = 3428^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 12339473 - 2¹⁰ = 12338449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12339479) 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, 60986 + ... + 61187.

It is an arithmetic number, because the mean of its divisors is an integer number (3115437).

Almost surely, 2^12339473 is an apocalyptic number.

It is an amenable number.

12339473 is a deficient number, since it is larger than the sum of its proper divisors (122275).

12339473 is a wasteful number, since it uses less digits than its factorization.

12339473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122274.

The product of its digits is 13608, while the sum is 32.

The square root of 12339473 is about 3512.7586025800. The cubic root of 12339473 is about 231.0816912149.

The spelling of 12339473 in words is "twelve million, three hundred thirty-nine thousand, four hundred seventy-three".