12385318 has 24 divisors (see below), whose sum is σ = 20779920. Its totient is φ = 5530800.

The previous prime is 12385309. The next prime is 12385319. The reversal of 12385318 is 81358321.

It is a super-2 number, since 2×12385318² = 306792203922248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12385318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12385319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14343 + ... + 15181.

It is an arithmetic number, because the mean of its divisors is an integer number (865830).

Almost surely, 2^12385318 is an apocalyptic number.

12385318 is a deficient number, since it is larger than the sum of its proper divisors (8394602).

12385318 is a wasteful number, since it uses less digits than its factorization.

12385318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 913 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 12385318 is about 3519.2780509644. The cubic root of 12385318 is about 231.3675177709.

It can be divided in two parts, 1238 and 5318, that added together give a palindrome (6556).

The spelling of 12385318 in words is "twelve million, three hundred eighty-five thousand, three hundred eighteen".