12311330 has 16 divisors (see below), whose sum is σ = 22676544. Its totient is φ = 4809840.

The previous prime is 12311311. The next prime is 12311333. The reversal of 12311330 is 3311321.

It is not an unprimeable number, because it can be changed into a prime (12311333) 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, 13886 + ... + 14745.

It is an arithmetic number, because the mean of its divisors is an integer number (1417284).

Almost surely, 2^12311330 is an apocalyptic number.

12311330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311330 is a deficient number, since it is larger than the sum of its proper divisors (10365214).

12311330 is a wasteful number, since it uses less digits than its factorization.

12311330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28681.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 12311330 is about 3508.7504898468. The cubic root of 12311330 is about 230.9058792110.

Adding to 12311330 its reverse (3311321), we get a palindrome (15622651).

Subtracting from 12311330 its reverse (3311321), we obtain a palindrome (9000009).

The spelling of 12311330 in words is "twelve million, three hundred eleven thousand, three hundred thirty".