13413543 has 16 divisors (see below), whose sum is σ = 21012096. Its totient is φ = 7503840.

The previous prime is 13413541. The next prime is 13413551. The reversal of 13413543 is 34531431.

It is a happy number.

It is not a de Polignac number, because 13413543 - 2¹ = 13413541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15205 + ... + 16062.

It is an arithmetic number, because the mean of its divisors is an integer number (1313256).

Almost surely, 2^13413543 is an apocalyptic number.

13413543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13413543 is a deficient number, since it is larger than the sum of its proper divisors (7598553).

13413543 is a wasteful number, since it uses less digits than its factorization.

13413543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31294.

The product of its digits is 2160, while the sum is 24.

The square root of 13413543 is about 3662.4504092206. The cubic root of 13413543 is about 237.6007653673.

Adding to 13413543 its reverse (34531431), we get a palindrome (47944974).

It can be divided in two parts, 1341 and 3543, that added together give a palindrome (4884).

The spelling of 13413543 in words is "thirteen million, four hundred thirteen thousand, five hundred forty-three".