12343424 has 32 divisors (see below), whose sum is σ = 24946140. Its totient is φ = 6082560.

The previous prime is 12343423. The next prime is 12343439. The reversal of 12343424 is 42434321.

It can be written as a sum of positive squares in 2 ways, for example, as 11343424 + 1000000 = 3368^2 + 1000^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12343424.

It is not an unprimeable number, because it can be changed into a prime (12343423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8684 + ... + 10004.

Almost surely, 2^12343424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12343424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12473070).

12343424 is an abundant number, since it is smaller than the sum of its proper divisors (12602716).

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

12343424 is an equidigital number, since it uses as much as digits as its factorization.

12343424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1396 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 12343424 is about 3513.3209360945. The cubic root of 12343424 is about 231.1063520826.

Adding to 12343424 its reverse (42434321), we get a palindrome (54777745).

The spelling of 12343424 in words is "twelve million, three hundred forty-three thousand, four hundred twenty-four".