12301239 has 4 divisors (see below), whose sum is σ = 16401656. Its totient is φ = 8200824.

The previous prime is 12301231. The next prime is 12301243. The reversal of 12301239 is 93210321.

It is a happy number.

12301239 is digitally balanced in base 3, 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 not a de Polignac number, because 12301239 - 2³ = 12301231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050204 + ... + 2050209.

It is an arithmetic number, because the mean of its divisors is an integer number (4100414).

Almost surely, 2^12301239 is an apocalyptic number.

12301239 is a deficient number, since it is larger than the sum of its proper divisors (4100417).

12301239 is an equidigital number, since it uses as much as digits as its factorization.

12301239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100416.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 12301239 is about 3507.3122187795. The cubic root of 12301239 is about 230.8427745171.

The spelling of 12301239 in words is "twelve million, three hundred one thousand, two hundred thirty-nine".