13559135 has 4 divisors (see below), whose sum is σ = 16270968. Its totient is φ = 10847304.

The previous prime is 13559123. The next prime is 13559159. The reversal of 13559135 is 53195531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53195531 = 233 ⋅228307.

It is a cyclic number.

It is not a de Polignac number, because 13559135 - 2⁸ = 13558879 is a prime.

It is a super-3 number, since 3×13559135³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355909 + ... + 1355918.

It is an arithmetic number, because the mean of its divisors is an integer number (4067742).

Almost surely, 2^13559135 is an apocalyptic number.

13559135 is a deficient number, since it is larger than the sum of its proper divisors (2711833).

13559135 is an equidigital number, since it uses as much as digits as its factorization.

13559135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711832.

The product of its digits is 10125, while the sum is 32.

The square root of 13559135 is about 3682.2730751534. The cubic root of 13559135 is about 238.4573216122.

The spelling of 13559135 in words is "thirteen million, five hundred fifty-nine thousand, one hundred thirty-five".