12368889 has 32 divisors (see below), whose sum is σ = 19958400. Its totient is φ = 7525440.

The previous prime is 12368887. The next prime is 12368891. The reversal of 12368889 is 98886321.

12368889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12368887) and next prime (12368891).

It is not a de Polignac number, because 12368889 - 2¹ = 12368887 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12368887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45847 + ... + 46115.

It is an arithmetic number, because the mean of its divisors is an integer number (623700).

Almost surely, 2^12368889 is an apocalyptic number.

It is an amenable number.

12368889 is a deficient number, since it is larger than the sum of its proper divisors (7589511).

12368889 is a wasteful number, since it uses less digits than its factorization.

12368889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 416 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 12368889 is about 3516.9431328925. The cubic root of 12368889 is about 231.2651702734.

The spelling of 12368889 in words is "twelve million, three hundred sixty-eight thousand, eight hundred eighty-nine".