13500008 has 16 divisors (see below), whose sum is σ = 25426500. Its totient is φ = 6719616.

The previous prime is 13500007. The next prime is 13500037. The reversal of 13500008 is 80000531.

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 3247204 = 3202^2 + 1802^2 .

It is not an unprimeable number, because it can be changed into a prime (13500007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853 + ... + 5516.

Almost surely, 2^13500008 is an apocalyptic number.

It is an amenable number.

13500008 is a deficient number, since it is larger than the sum of its proper divisors (11926492).

13500008 is a wasteful number, since it uses less digits than its factorization.

13500008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604 (or 7600 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13500008 is about 3674.2357028367. The cubic root of 13500008 is about 238.1102048293.

Adding to 13500008 its reverse (80000531), we get a palindrome (93500539).

The spelling of 13500008 in words is "thirteen million, five hundred thousand, eight".