13086855 has 24 divisors (see below), whose sum is σ = 24019632. Its totient is φ = 6568704.

The previous prime is 13086851. The next prime is 13086881. The reversal of 13086855 is 55868031.

13086855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13086855 - 2² = 13086851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13086851) 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, 7789 + ... + 9318.

It is an arithmetic number, because the mean of its divisors is an integer number (1000818).

Almost surely, 2^13086855 is an apocalyptic number.

13086855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13086855 is a deficient number, since it is larger than the sum of its proper divisors (10932777).

13086855 is a wasteful number, since it uses less digits than its factorization.

13086855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17135 (or 17132 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 13086855 is about 3617.5758457840. The cubic root of 13086855 is about 235.6559611697.

The spelling of 13086855 in words is "thirteen million, eighty-six thousand, eight hundred fifty-five".