13536543 has 8 divisors (see below), whose sum is σ = 18098608. Its totient is φ = 8999424.

The previous prime is 13536541. The next prime is 13536563. The reversal of 13536543 is 34563531.

It is a happy number.

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

It is not a de Polignac number, because 13536543 - 2¹ = 13536541 is a prime.

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 13536543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13536541) 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, 4930 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (2262326).

Almost surely, 2^13536543 is an apocalyptic number.

13536543 is a deficient number, since it is larger than the sum of its proper divisors (4562065).

13536543 is a wasteful number, since it uses less digits than its factorization.

13536543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12473.

The product of its digits is 16200, while the sum is 30.

The square root of 13536543 is about 3679.2041258946. The cubic root of 13536543 is about 238.3248101450.

The spelling of 13536543 in words is "thirteen million, five hundred thirty-six thousand, five hundred forty-three".