13008636 has 18 divisors (see below), whose sum is σ = 32883032. Its totient is φ = 4336200.

The previous prime is 13008629. The next prime is 13008637. The reversal of 13008636 is 63680031.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×13008636² = 338449221160992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13008637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180640 + ... + 180711.

Almost surely, 2^13008636 is an apocalyptic number.

It is an amenable number.

13008636 is an abundant number, since it is smaller than the sum of its proper divisors (19874396).

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

13008636 is a wasteful number, since it uses less digits than its factorization.

13008636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361361 (or 361356 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 13008636 is about 3606.7486743603. The cubic root of 13008636 is about 235.1855242375.

Adding to 13008636 its reverse (63680031), we get a palindrome (76688667).

The spelling of 13008636 in words is "thirteen million, eight thousand, six hundred thirty-six".