13140008 has 64 divisors (see below), whose sum is σ = 29635200. Its totient is φ = 5345280.

The previous prime is 13140007. The next prime is 13140011. The reversal of 13140008 is 80004131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13140007) 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, 135416 + ... + 135512.

It is an arithmetic number, because the mean of its divisors is an integer number (463050).

Almost surely, 2^13140008 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 13140008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14817600).

13140008 is an abundant number, since it is smaller than the sum of its proper divisors (16495192).

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

13140008 is a wasteful number, since it uses less digits than its factorization.

13140008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 13140008 is about 3624.9148955527. The cubic root of 13140008 is about 235.9745735319.

Adding to 13140008 its reverse (80004131), we get a palindrome (93144139).

The spelling of 13140008 in words is "thirteen million, one hundred forty thousand, eight".