13806136 has 8 divisors (see below), whose sum is σ = 25886520. Its totient is φ = 6903064.

The previous prime is 13806131. The next prime is 13806211. The reversal of 13806136 is 63160831.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13806131) 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 as a sum of consecutive naturals, namely, 862876 + ... + 862891.

It is an arithmetic number, because the mean of its divisors is an integer number (3235815).

Almost surely, 2^13806136 is an apocalyptic number.

It is an amenable number.

13806136 is a deficient number, since it is larger than the sum of its proper divisors (12080384).

13806136 is a wasteful number, since it uses less digits than its factorization.

13806136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725773 (or 1725769 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13806136 is about 3715.6609102554. The cubic root of 13806136 is about 239.8965758078.

Adding to 13806136 its reverse (63160831), we get a palindrome (76966967).

The spelling of 13806136 in words is "thirteen million, eight hundred six thousand, one hundred thirty-six".