13143243 has 8 divisors (see below), whose sum is σ = 17811856. Its totient is φ = 8618400.

The previous prime is 13143241. The next prime is 13143257. The reversal of 13143243 is 34234131.

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

It is not a de Polignac number, because 13143243 - 2¹ = 13143241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13143241) 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, 35728 + ... + 36093.

It is an arithmetic number, because the mean of its divisors is an integer number (2226482).

Almost surely, 2^13143243 is an apocalyptic number.

13143243 is a deficient number, since it is larger than the sum of its proper divisors (4668613).

13143243 is an equidigital number, since it uses as much as digits as its factorization.

13143243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71885.

The product of its digits is 864, while the sum is 21.

The square root of 13143243 is about 3625.3610854645. The cubic root of 13143243 is about 235.9939371707.

Adding to 13143243 its reverse (34234131), we get a palindrome (47377374).

The spelling of 13143243 in words is "thirteen million, one hundred forty-three thousand, two hundred forty-three".