12320918 has 8 divisors (see below), whose sum is σ = 18507720. Its totient is φ = 6151680.

The previous prime is 12320897. The next prime is 12320921. The reversal of 12320918 is 81902321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2468 + ... + 5543.

It is an arithmetic number, because the mean of its divisors is an integer number (2313465).

Almost surely, 2^12320918 is an apocalyptic number.

12320918 is a deficient number, since it is larger than the sum of its proper divisors (6186802).

12320918 is an equidigital number, since it uses as much as digits as its factorization.

12320918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8782.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12320918 is about 3510.1165222824. The cubic root of 12320918 is about 230.9658064241.

The spelling of 12320918 in words is "twelve million, three hundred twenty thousand, nine hundred eighteen".