13136816 has 40 divisors (see below), whose sum is σ = 31736064. Its totient is φ = 5117760.

The previous prime is 13136803. The next prime is 13136819. The reversal of 13136816 is 61863131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13136819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4100 + ... + 6563.

Almost surely, 2^13136816 is an apocalyptic number.

13136816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13136816 is an abundant number, since it is smaller than the sum of its proper divisors (18599248).

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

13136816 is a wasteful number, since it uses less digits than its factorization.

13136816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10689 (or 10683 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 13136816 is about 3624.4745826119. The cubic root of 13136816 is about 235.9554641615.

Adding to 13136816 its reverse (61863131), we get a palindrome (74999947).

The spelling of 13136816 in words is "thirteen million, one hundred thirty-six thousand, eight hundred sixteen".