13485543 has 8 divisors (see below), whose sum is σ = 18102000. Its totient is φ = 8929728.

The previous prime is 13485503. The next prime is 13485553. The reversal of 13485543 is 34558431.

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

It is not a de Polignac number, because 13485543 - 2²⁰ = 12436967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13485503) 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, 14638 + ... + 15531.

It is an arithmetic number, because the mean of its divisors is an integer number (2262750).

Almost surely, 2^13485543 is an apocalyptic number.

13485543 is a deficient number, since it is larger than the sum of its proper divisors (4616457).

13485543 is a wasteful number, since it uses less digits than its factorization.

13485543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30321.

The product of its digits is 28800, while the sum is 33.

The square root of 13485543 is about 3672.2667386779. The cubic root of 13485543 is about 238.0251309291.

It can be divided in two parts, 13485 and 543, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 13485543 in words is "thirteen million, four hundred eighty-five thousand, five hundred forty-three".