13455 has 24 divisors (see below), whose sum is σ = 26208. Its totient is φ = 6336.

The previous prime is 13451. The next prime is 13457. The reversal of 13455 is 55431.

It is a Cunningham number, because it is equal to 116²-1.

It is not a de Polignac number, because 13455 - 2² = 13451 is a prime.

It is an Ulam number.

It is a plaindrome in base 10 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 574 + ... + 596.

It is an arithmetic number, because the mean of its divisors is an integer number (1092).

2¹³⁴⁵⁵ is an apocalyptic number.

13455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13455 is a deficient number, since it is larger than the sum of its proper divisors (12753).

13455 is a wasteful number, since it uses less digits than its factorization.

13455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47 (or 44 counting only the distinct ones).

The product of its digits is 300, while the sum is 18.

The square root of 13455 is about 115.9956895751. The cubic root of 13455 is about 23.7845296444.

Adding to 13455 its reverse (55431), we get a palindrome (68886).

The spelling of 13455 in words is "thirteen thousand, four hundred fifty-five".