12341340 has 144 divisors (see below), whose sum is σ = 42771456. Its totient is φ = 2851200.

The previous prime is 12341339. The next prime is 12341341. The reversal of 12341340 is 4314321.

It is an interprime number because it is at equal distance from previous prime (12341339) and next prime (12341341).

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 (12341341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45405 + ... + 45675.

It is an arithmetic number, because the mean of its divisors is an integer number (297024).

Almost surely, 2^12341340 is an apocalyptic number.

12341340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12341340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21385728).

12341340 is an abundant number, since it is smaller than the sum of its proper divisors (30430116).

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

12341340 is a wasteful number, since it uses less digits than its factorization.

12341340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12341340 is about 3513.0243380882. The cubic root of 12341340 is about 231.0933450827.

Adding to 12341340 its reverse (4314321), we get a palindrome (16655661).

The spelling of 12341340 in words is "twelve million, three hundred forty-one thousand, three hundred forty".