12660343 has 8 divisors (see below), whose sum is σ = 13067712. Its totient is φ = 12258816.

The previous prime is 12660341. The next prime is 12660353. The reversal of 12660343 is 34306621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12660343 - 2¹ = 12660341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171 + ... + 5947.

It is an arithmetic number, because the mean of its divisors is an integer number (1633464).

Almost surely, 2^12660343 is an apocalyptic number.

12660343 is a deficient number, since it is larger than the sum of its proper divisors (407369).

12660343 is an equidigital number, since it uses as much as digits as its factorization.

12660343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 12660343 is about 3558.1375746309. The cubic root of 12660343 is about 233.0675570219.

Adding to 12660343 its reverse (34306621), we get a palindrome (46966964).

The spelling of 12660343 in words is "twelve million, six hundred sixty thousand, three hundred forty-three".