13108340 has 48 divisors (see below), whose sum is σ = 31785600. Its totient is φ = 4447872.

The previous prime is 13108327. The next prime is 13108357. The reversal of 13108340 is 4380131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14831 + ... + 15689.

It is an arithmetic number, because the mean of its divisors is an integer number (662200).

Almost surely, 2^13108340 is an apocalyptic number.

13108340 is a gapful number since it is divisible by the number (10) 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 13108340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15892800).

13108340 is an abundant number, since it is smaller than the sum of its proper divisors (18677260).

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

13108340 is a wasteful number, since it uses less digits than its factorization.

13108340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13108340 is about 3620.5441579961. The cubic root of 13108340 is about 235.7848513201.

Adding to 13108340 its reverse (4380131), we get a palindrome (17488471).

The spelling of 13108340 in words is "thirteen million, one hundred eight thousand, three hundred forty".