12398663 has 8 divisors (see below), whose sum is σ = 13031568. Its totient is φ = 11781504.

The previous prime is 12398651. The next prime is 12398669. The reversal of 12398663 is 36689321.

12398663 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 cyclic number.

It is not a de Polignac number, because 12398663 - 2¹⁰ = 12397639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12398669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306 + ... + 5487.

It is an arithmetic number, because the mean of its divisors is an integer number (1628946).

Almost surely, 2^12398663 is an apocalyptic number.

12398663 is a deficient number, since it is larger than the sum of its proper divisors (632905).

12398663 is an equidigital number, since it uses as much as digits as its factorization.

12398663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7873.

The product of its digits is 46656, while the sum is 38.

The square root of 12398663 is about 3521.1735259711. The cubic root of 12398663 is about 231.4505863214.

The spelling of 12398663 in words is "twelve million, three hundred ninety-eight thousand, six hundred sixty-three".