13156343 has 4 divisors (see below), whose sum is σ = 13610040. Its totient is φ = 12702648.

The previous prime is 13156337. The next prime is 13156357. The reversal of 13156343 is 34365131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34365131 = 47 ⋅731173.

It is a cyclic number.

It is not a de Polignac number, because 13156343 - 2⁴ = 13156327 is a prime.

It is a super-2 number, since 2×13156343² = 346178722267298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13156333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226805 + ... + 226862.

It is an arithmetic number, because the mean of its divisors is an integer number (3402510).

Almost surely, 2^13156343 is an apocalyptic number.

13156343 is a deficient number, since it is larger than the sum of its proper divisors (453697).

13156343 is an equidigital number, since it uses as much as digits as its factorization.

13156343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453696.

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

The square root of 13156343 is about 3627.1673520807. The cubic root of 13156343 is about 236.0723169645.

The spelling of 13156343 in words is "thirteen million, one hundred fifty-six thousand, three hundred forty-three".