13108212 has 72 divisors (see below), whose sum is σ = 36696296. Its totient is φ = 3919104.

The previous prime is 13108181. The next prime is 13108243. The reversal of 13108212 is 21280131.

It is an interprime number because it is at equal distance from previous prime (13108181) and next prime (13108243).

It can be written as a sum of positive squares in 4 ways, for example, as 2842596 + 10265616 = 1686^2 + 3204^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16938 + ... + 17694.

Almost surely, 2^13108212 is an apocalyptic number.

13108212 is a gapful number since it is divisible by the number (12) 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 13108212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18348148).

13108212 is an abundant number, since it is smaller than the sum of its proper divisors (23588084).

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

13108212 is a wasteful number, since it uses less digits than its factorization.

13108212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 13108212 is about 3620.5264810522. The cubic root of 13108212 is about 235.7840838556.

Adding to 13108212 its reverse (21280131), we get a palindrome (34388343).

The spelling of 13108212 in words is "thirteen million, one hundred eight thousand, two hundred twelve".