12388863 has 8 divisors (see below), whose sum is σ = 16604848. Its totient is φ = 8216064.

The previous prime is 12388841. The next prime is 12388867. The reversal of 12388863 is 36888321.

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

It is not a de Polignac number, because 12388863 - 2¹⁰ = 12387839 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 (12388867) 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, 10120 + ... + 11277.

It is an arithmetic number, because the mean of its divisors is an integer number (2075606).

Almost surely, 2^12388863 is an apocalyptic number.

12388863 is a deficient number, since it is larger than the sum of its proper divisors (4215985).

12388863 is a wasteful number, since it uses less digits than its factorization.

12388863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21593.

The product of its digits is 55296, while the sum is 39.

The square root of 12388863 is about 3519.7816693653. The cubic root of 12388863 is about 231.3895901314.

It can be divided in two parts, 1238 and 8863, that added together give a palindrome (10101).

The spelling of 12388863 in words is "twelve million, three hundred eighty-eight thousand, eight hundred sixty-three".