13085863 has 16 divisors (see below), whose sum is σ = 15353856. Its totient is φ = 10922400.

The previous prime is 13085861. The next prime is 13085867. The reversal of 13085863 is 36858031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13085863 - 2¹ = 13085861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13085861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58570 + ... + 58792.

It is an arithmetic number, because the mean of its divisors is an integer number (959616).

Almost surely, 2^13085863 is an apocalyptic number.

13085863 is a deficient number, since it is larger than the sum of its proper divisors (2267993).

13085863 is a wasteful number, since it uses less digits than its factorization.

13085863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 13085863 is about 3617.4387347957. The cubic root of 13085863 is about 235.6500066802.

The spelling of 13085863 in words is "thirteen million, eighty-five thousand, eight hundred sixty-three".