13322143 has 8 divisors (see below), whose sum is σ = 13562640. Its totient is φ = 13083840.

The previous prime is 13322137. The next prime is 13322147. The reversal of 13322143 is 34122331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13322143 is a prime.

It is a super-2 number, since 2×13322143² = 354958988224898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13322143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13322147) 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, 15696 + ... + 16522.

It is an arithmetic number, because the mean of its divisors is an integer number (1695330).

Almost surely, 2^13322143 is an apocalyptic number.

13322143 is a deficient number, since it is larger than the sum of its proper divisors (240497).

13322143 is an equidigital number, since it uses as much as digits as its factorization.

13322143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its digits is 432, while the sum is 19.

The square root of 13322143 is about 3649.9510955628. The cubic root of 13322143 is about 237.0598636959.

Adding to 13322143 its reverse (34122331), we get a palindrome (47444474).

The spelling of 13322143 in words is "thirteen million, three hundred twenty-two thousand, one hundred forty-three".