12343340 has 24 divisors (see below), whose sum is σ = 26092752. Its totient is φ = 4904640.

The previous prime is 12343327. The next prime is 12343349. The reversal of 12343340 is 4334321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12343349) 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 7 ways as a sum of consecutive naturals, for example, 1175 + ... + 5105.

It is an arithmetic number, because the mean of its divisors is an integer number (1087198).

Almost surely, 2^12343340 is an apocalyptic number.

12343340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12343340 is an abundant number, since it is smaller than the sum of its proper divisors (13749412).

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

12343340 is a wasteful number, since it uses less digits than its factorization.

12343340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097 (or 4095 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 12343340 is about 3513.3089815728. The cubic root of 12343340 is about 231.1058278364.

Adding to 12343340 its reverse (4334321), we get a palindrome (16677661).

The spelling of 12343340 in words is "twelve million, three hundred forty-three thousand, three hundred forty".