12311334 has 48 divisors (see below), whose sum is σ = 30700800. Its totient is φ = 3492720.

The previous prime is 12311333. The next prime is 12311339. The reversal of 12311334 is 43311321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 24829 + ... + 25319.

It is an arithmetic number, because the mean of its divisors is an integer number (639600).

Almost surely, 2^12311334 is an apocalyptic number.

12311334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12311334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15350400).

12311334 is an abundant number, since it is smaller than the sum of its proper divisors (18389466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311334 is a wasteful number, since it uses less digits than its factorization.

12311334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 702 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 12311334 is about 3508.7510598502. The cubic root of 12311334 is about 230.9059042184.

Adding to 12311334 its reverse (43311321), we get a palindrome (55622655).

The spelling of 12311334 in words is "twelve million, three hundred eleven thousand, three hundred thirty-four".