13171086 has 48 divisors (see below), whose sum is σ = 30361968. Its totient is φ = 4276800.

The previous prime is 13171069. The next prime is 13171087. The reversal of 13171086 is 68017131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13171087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19596 + ... + 20256.

It is an arithmetic number, because the mean of its divisors is an integer number (632541).

Almost surely, 2^13171086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13171086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15180984).

13171086 is an abundant number, since it is smaller than the sum of its proper divisors (17190882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13171086 is an equidigital number, since it uses as much as digits as its factorization.

13171086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 13171086 is about 3629.1990851977. The cubic root of 13171086 is about 236.1604649381.

It can be divided in two parts, 131 and 71086, that added together give a palindrome (71217).

The spelling of 13171086 in words is "thirteen million, one hundred seventy-one thousand, eighty-six".