13081508 has 24 divisors (see below), whose sum is σ = 25181184. Its totient is φ = 5896800.

The previous prime is 13081507. The next prime is 13081559. The reversal of 13081508 is 80518031.

It is a super-3 number, since 3×13081508³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13081507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4418 + ... + 6758.

It is an arithmetic number, because the mean of its divisors is an integer number (1049216).

Almost surely, 2^13081508 is an apocalyptic number.

It is an amenable number.

13081508 is a deficient number, since it is larger than the sum of its proper divisors (12099676).

13081508 is a wasteful number, since it uses less digits than its factorization.

13081508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 13081508 is about 3616.8367394728. The cubic root of 13081508 is about 235.6238621901.

Adding to 13081508 its reverse (80518031), we get a palindrome (93599539).

The spelling of 13081508 in words is "thirteen million, eighty-one thousand, five hundred eight".