12001343 has 8 divisors (see below), whose sum is σ = 12456576. Its totient is φ = 11554200.

The previous prime is 12001333. The next prime is 12001349. The reversal of 12001343 is 34310021.

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 12001343 - 2⁶ = 12001279 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 (12001349) 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, 1088 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (1557072).

Almost surely, 2^12001343 is an apocalyptic number.

12001343 is a deficient number, since it is larger than the sum of its proper divisors (455233).

12001343 is an equidigital number, since it uses as much as digits as its factorization.

12001343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12001343 is about 3464.2954550673. The cubic root of 12001343 is about 228.9513890322.

Adding to 12001343 its reverse (34310021), we get a palindrome (46311364).

The spelling of 12001343 in words is "twelve million, one thousand, three hundred forty-three".