12404343 has 16 divisors (see below), whose sum is σ = 19143680. Its totient is φ = 6997536.

The previous prime is 12404341. The next prime is 12404369. The reversal of 12404343 is 34340421.

It is not a de Polignac number, because 12404343 - 2¹ = 12404341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2080 + ... + 5397.

It is an arithmetic number, because the mean of its divisors is an integer number (1196480).

Almost surely, 2^12404343 is an apocalyptic number.

12404343 is a deficient number, since it is larger than the sum of its proper divisors (6739337).

12404343 is an equidigital number, since it uses as much as digits as its factorization.

12404343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 12404343 is about 3521.9799829073. The cubic root of 12404343 is about 231.4859245034.

Adding to 12404343 its reverse (34340421), we get a palindrome (46744764).

The spelling of 12404343 in words is "twelve million, four hundred four thousand, three hundred forty-three".