12339723 has 16 divisors (see below), whose sum is σ = 18057600. Its totient is φ = 7433280.

The previous prime is 12339689. The next prime is 12339731. The reversal of 12339723 is 32793321.

It is not a de Polignac number, because 12339723 - 2⁶ = 12339659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12339763) 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 15 ways as a sum of consecutive naturals, for example, 4863 + ... + 6951.

It is an arithmetic number, because the mean of its divisors is an integer number (1128600).

Almost surely, 2^12339723 is an apocalyptic number.

12339723 is a deficient number, since it is larger than the sum of its proper divisors (5717877).

12339723 is a wasteful number, since it uses less digits than its factorization.

12339723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282.

The product of its digits is 6804, while the sum is 30.

The square root of 12339723 is about 3512.7941869685. The cubic root of 12339723 is about 231.0832517902.

The spelling of 12339723 in words is "twelve million, three hundred thirty-nine thousand, seven hundred twenty-three".