12288111 has 8 divisors (see below), whose sum is σ = 17873664. Its totient is φ = 7447320.

The previous prime is 12288109. The next prime is 12288113. The reversal of 12288111 is 11188221.

It is an interprime number because it is at equal distance from previous prime (12288109) and next prime (12288113).

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

It is not a de Polignac number, because 12288111 - 2¹ = 12288109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12288113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186151 + ... + 186216.

It is an arithmetic number, because the mean of its divisors is an integer number (2234208).

Almost surely, 2^12288111 is an apocalyptic number.

12288111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12288111 is a deficient number, since it is larger than the sum of its proper divisors (5585553).

12288111 is a wasteful number, since it uses less digits than its factorization.

12288111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372381.

The product of its digits is 256, while the sum is 24.

The square root of 12288111 is about 3505.4402006025. The cubic root of 12288111 is about 230.7606260809.

It can be divided in two parts, 1228 and 8111, that added together give a palindrome (9339).

The spelling of 12288111 in words is "twelve million, two hundred eighty-eight thousand, one hundred eleven".