13356143 has 4 divisors (see below), whose sum is σ = 13367880. Its totient is φ = 13344408.

The previous prime is 13356127. The next prime is 13356151. The reversal of 13356143 is 34165331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34165331 = 211 ⋅161921.

It is a cyclic number.

It is not a de Polignac number, because 13356143 - 2⁴ = 13356127 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 (13356103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3953 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (3341970).

Almost surely, 2^13356143 is an apocalyptic number.

13356143 is a deficient number, since it is larger than the sum of its proper divisors (11737).

13356143 is a wasteful number, since it uses less digits than its factorization.

13356143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11736.

The product of its digits is 3240, while the sum is 26.

The square root of 13356143 is about 3654.6057242882. The cubic root of 13356143 is about 237.2613625160.

The spelling of 13356143 in words is "thirteen million, three hundred fifty-six thousand, one hundred forty-three".