12613143 has 8 divisors (see below), whose sum is σ = 16848000. Its totient is φ = 8393528.

The previous prime is 12613127. The next prime is 12613171. The reversal of 12613143 is 34131621.

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 12613143 - 2⁴ = 12613127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12613123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713 + ... + 5306.

It is an arithmetic number, because the mean of its divisors is an integer number (2106000).

Almost surely, 2^12613143 is an apocalyptic number.

12613143 is a deficient number, since it is larger than the sum of its proper divisors (4234857).

12613143 is an equidigital number, since it uses as much as digits as its factorization.

12613143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7621.

The product of its digits is 432, while the sum is 21.

The square root of 12613143 is about 3551.4986977331. The cubic root of 12613143 is about 232.7775572950. Note that the first 3 decimals are identical.

Adding to 12613143 its reverse (34131621), we get a palindrome (46744764).

The spelling of 12613143 in words is "twelve million, six hundred thirteen thousand, one hundred forty-three".