13581108 has 60 divisors (see below), whose sum is σ = 35858592. Its totient is φ = 4482000.

The previous prime is 13581107. The next prime is 13581121. The reversal of 13581108 is 80118531.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (13581103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53983 + ... + 54233.

Almost surely, 2^13581108 is an apocalyptic number.

13581108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13581108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17929296).

13581108 is an abundant number, since it is smaller than the sum of its proper divisors (22277484).

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

13581108 is a wasteful number, since it uses less digits than its factorization.

13581108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 13581108 is about 3685.2554863944. The cubic root of 13581108 is about 238.5860612639.

Adding to 13581108 its reverse (80118531), we get a palindrome (93699639).

It can be divided in two parts, 13581 and 108, that added together give a square (13689 = 117²).

The spelling of 13581108 in words is "thirteen million, five hundred eighty-one thousand, one hundred eight".