13535042 has 8 divisors (see below), whose sum is σ = 20387532. Its totient is φ = 6739200.

The previous prime is 13535033. The next prime is 13535057. The reversal of 13535042 is 24053531.

It is a Cunningham number, because it is equal to 3679²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 13535041 + 1 = 3679^2 + 1^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13534999 and 13535017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13559 + ... + 14522.

Almost surely, 2^13535042 is an apocalyptic number.

13535042 is a deficient number, since it is larger than the sum of its proper divisors (6852490).

13535042 is a wasteful number, since it uses less digits than its factorization.

13535042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28324.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 13535042 is about 3679.0001359065. Note that the first 3 decimals coincide. The cubic root of 13535042 is about 238.3160009347.

Adding to 13535042 its reverse (24053531), we get a palindrome (37588573).

The spelling of 13535042 in words is "thirteen million, five hundred thirty-five thousand, forty-two".