12648343 has 4 divisors (see below), whose sum is σ = 12684528. Its totient is φ = 12612160.

The previous prime is 12648329. The next prime is 12648347. The reversal of 12648343 is 34384621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12648343 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648347) 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, 17563 + ... + 18268.

It is an arithmetic number, because the mean of its divisors is an integer number (3171132).

Almost surely, 2^12648343 is an apocalyptic number.

12648343 is a deficient number, since it is larger than the sum of its proper divisors (36185).

12648343 is an equidigital number, since it uses as much as digits as its factorization.

12648343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36184.

The product of its digits is 13824, while the sum is 31.

The square root of 12648343 is about 3556.4508994221. The cubic root of 12648343 is about 232.9938967008.

The spelling of 12648343 in words is "twelve million, six hundred forty-eight thousand, three hundred forty-three".