13535556 has 24 divisors (see below), whose sum is σ = 31728480. Its totient is φ = 4491072.

The previous prime is 13535549. The next prime is 13535563. The reversal of 13535556 is 65553531.

It is an interprime number because it is at equal distance from previous prime (13535549) and next prime (13535563).

It is a super-2 number, since 2×13535556² = 366422552458272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240 + ... + 5208.

It is an arithmetic number, because the mean of its divisors is an integer number (1322020).

Almost surely, 2^13535556 is an apocalyptic number.

It is an amenable number.

13535556 is an abundant number, since it is smaller than the sum of its proper divisors (18192924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13535556 is a wasteful number, since it uses less digits than its factorization.

13535556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203 (or 5201 counting only the distinct ones).

The product of its digits is 33750, while the sum is 33.

The square root of 13535556 is about 3679.0699911798. The cubic root of 13535556 is about 238.3190176197.

Subtracting from 13535556 its product of digits (33750), we obtain a triangular number (13501806 = T₅₁₉₆).

The spelling of 13535556 in words is "thirteen million, five hundred thirty-five thousand, five hundred fifty-six".