12319998 has 8 divisors (see below), whose sum is σ = 24640008. Its totient is φ = 4106664.

The previous prime is 12319997. The next prime is 12320017. The reversal of 12319998 is 89991321.

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

12319998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12319997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026661 + ... + 1026672.

It is an arithmetic number, because the mean of its divisors is an integer number (3080001).

Almost surely, 2^12319998 is an apocalyptic number.

12319998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12319998 is a wasteful number, since it uses less digits than its factorization.

12319998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053338.

The product of its digits is 34992, while the sum is 42.

The square root of 12319998 is about 3509.9854700554. The cubic root of 12319998 is about 230.9600575605.

The spelling of 12319998 in words is "twelve million, three hundred nineteen thousand, nine hundred ninety-eight".