12320342 has 8 divisors (see below), whose sum is σ = 19567656. Its totient is φ = 5797792.

The previous prime is 12320339. The next prime is 12320351. The reversal of 12320342 is 24302321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12320342.

It is a congruent number.

It is an unprimeable number.

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, 181148 + ... + 181215.

It is an arithmetic number, because the mean of its divisors is an integer number (2445957).

Almost surely, 2^12320342 is an apocalyptic number.

12320342 is a deficient number, since it is larger than the sum of its proper divisors (7247314).

12320342 is a wasteful number, since it uses less digits than its factorization.

12320342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362382.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12320342 is about 3510.0344727652. The cubic root of 12320342 is about 230.9622071691.

Adding to 12320342 its reverse (24302321), we get a palindrome (36622663).

The spelling of 12320342 in words is "twelve million, three hundred twenty thousand, three hundred forty-two".