12998 has 8 divisors (see below), whose sum is σ = 19992. Its totient is φ = 6336.
The previous prime is 12983. The next prime is 13001. The reversal of 12998 is 89921.
12998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a plaindrome in base 13.
It is a nialpdrome in base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 12998.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86 + ... + 182.
It is an arithmetic number, because the mean of its divisors is an integer number (2499).
212998 is an apocalyptic number.
12998 is a deficient number, since it is larger than the sum of its proper divisors (6994).
12998 is an equidigital number, since it uses as much as digits as its factorization.
12998 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166.
The product of its digits is 1296, while the sum is 29.
The square root of 12998 is about 114.0087715924. The cubic root of 12998 is about 23.5121410027.
The spelling of 12998 in words is "twelve thousand, nine hundred ninety-eight".
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