13112008 has 96 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 4959360.

The previous prime is 13111961. The next prime is 13112051. The reversal of 13112008 is 80021131.

It is a junction number, because it is equal to n+sod(n) for n = 13111982 and 13112000.

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, 157935 + ... + 158017.

It is an arithmetic number, because the mean of its divisors is an integer number (335160).

Almost surely, 2^13112008 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 13112008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16087680).

13112008 is an abundant number, since it is smaller than the sum of its proper divisors (19063352).

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

13112008 is a wasteful number, since it uses less digits than its factorization.

13112008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 13112008 is about 3621.0506762541. The cubic root of 13112008 is about 235.8068418539.

Adding to 13112008 its reverse (80021131), we get a palindrome (93133139).

The spelling of 13112008 in words is "thirteen million, one hundred twelve thousand, eight".