12343040 has 36 divisors (see below), whose sum is σ = 29568504. Its totient is φ = 4936704.

The previous prime is 12343033. The next prime is 12343049. The reversal of 12343040 is 4034321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343049) 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, 3542 + ... + 6101.

Almost surely, 2^12343040 is an apocalyptic number.

12343040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12343040 is an abundant number, since it is smaller than the sum of its proper divisors (17225464).

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

12343040 is an frugal number, since it uses more digits than its factorization.

12343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664 (or 9650 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 12343040 is about 3513.2662865203. The cubic root of 12343040 is about 231.1039555093.

Adding to 12343040 its reverse (4034321), we get a palindrome (16377361).

The spelling of 12343040 in words is "twelve million, three hundred forty-three thousand, forty".