13455243 has 12 divisors (see below), whose sum is σ = 19483360. Its totient is φ = 8948016.

The previous prime is 13455223. The next prime is 13455263. The reversal of 13455243 is 34255431.

13455243 is a `hidden beast` number, since 134 + 5 + 524 + 3 = 666.

13455243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13455223) and next prime (13455263).

It is not a de Polignac number, because 13455243 - 2⁶ = 13455179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13455223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2553 + ... + 5781.

Almost surely, 2^13455243 is an apocalyptic number.

13455243 is a deficient number, since it is larger than the sum of its proper divisors (6028117).

13455243 is a wasteful number, since it uses less digits than its factorization.

13455243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698 (or 3695 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 13455243 is about 3668.1389014049. The cubic root of 13455243 is about 237.8467282805.

The spelling of 13455243 in words is "thirteen million, four hundred fifty-five thousand, two hundred forty-three".