13215108 has 48 divisors (see below), whose sum is σ = 32760000. Its totient is φ = 4134528.

The previous prime is 13215107. The next prime is 13215109. The reversal of 13215108 is 80151231.

It is an interprime number because it is at equal distance from previous prime (13215107) and next prime (13215109).

It is not an unprimeable number, because it can be changed into a prime (13215107) 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, 33778 + ... + 34166.

It is an arithmetic number, because the mean of its divisors is an integer number (682500).

Almost surely, 2^13215108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13215108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16380000).

13215108 is an abundant number, since it is smaller than the sum of its proper divisors (19544892).

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

13215108 is a wasteful number, since it uses less digits than its factorization.

13215108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 13215108 is about 3635.2590004015. The cubic root of 13215108 is about 236.4232803937.

Adding to 13215108 its reverse (80151231), we get a palindrome (93366339).

The spelling of 13215108 in words is "thirteen million, two hundred fifteen thousand, one hundred eight".