13655143 has 4 divisors (see below), whose sum is σ = 14126040. Its totient is φ = 13184248.

The previous prime is 13655141. The next prime is 13655149. The reversal of 13655143 is 34155631.

13655143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13655143 - 2¹ = 13655141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13655141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235405 + ... + 235462.

It is an arithmetic number, because the mean of its divisors is an integer number (3531510).

Almost surely, 2^13655143 is an apocalyptic number.

13655143 is a deficient number, since it is larger than the sum of its proper divisors (470897).

13655143 is an equidigital number, since it uses as much as digits as its factorization.

13655143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470896.

The product of its digits is 5400, while the sum is 28.

The square root of 13655143 is about 3695.2865924039. The cubic root of 13655143 is about 239.0188123822.

The spelling of 13655143 in words is "thirteen million, six hundred fifty-five thousand, one hundred forty-three".