12342418 has 8 divisors (see below), whose sum is σ = 20196720. Its totient is φ = 5610180.

The previous prime is 12342409. The next prime is 12342437. The reversal of 12342418 is 81424321.

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

It is a junction number, because it is equal to n+sod(n) for n = 12342392 and 12342401.

It is an unprimeable number.

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, 280488 + ... + 280531.

It is an arithmetic number, because the mean of its divisors is an integer number (2524590).

Almost surely, 2^12342418 is an apocalyptic number.

12342418 is a deficient number, since it is larger than the sum of its proper divisors (7854302).

12342418 is a wasteful number, since it uses less digits than its factorization.

12342418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561032.

The product of its digits is 1536, while the sum is 25.

The square root of 12342418 is about 3513.1777637916. The cubic root of 12342418 is about 231.1000734545.

Adding to 12342418 its reverse (81424321), we get a palindrome (93766739).

The spelling of 12342418 in words is "twelve million, three hundred forty-two thousand, four hundred eighteen".