12726143 has 8 divisors (see below), whose sum is σ = 13681920. Its totient is φ = 11799000.

The previous prime is 12726127. The next prime is 12726167. The reversal of 12726143 is 34162721.

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

It is not a de Polignac number, because 12726143 - 2⁴ = 12726127 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 (12726443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6233 + ... + 8018.

It is an arithmetic number, because the mean of its divisors is an integer number (1710240).

Almost surely, 2^12726143 is an apocalyptic number.

12726143 is a deficient number, since it is larger than the sum of its proper divisors (955777).

12726143 is a wasteful number, since it uses less digits than its factorization.

12726143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14317.

The product of its digits is 2016, while the sum is 26.

The square root of 12726143 is about 3567.3720019084. The cubic root of 12726143 is about 233.4706359699.

Adding to 12726143 its reverse (34162721), we get a palindrome (46888864).

The spelling of 12726143 in words is "twelve million, seven hundred twenty-six thousand, one hundred forty-three".