13808156 has 6 divisors (see below), whose sum is σ = 24164280. Its totient is φ = 6904076.

The previous prime is 13808153. The next prime is 13808167. The reversal of 13808156 is 65180831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13808153) 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, 1726016 + ... + 1726023.

It is an arithmetic number, because the mean of its divisors is an integer number (4027380).

Almost surely, 2^13808156 is an apocalyptic number.

It is an amenable number.

13808156 is a deficient number, since it is larger than the sum of its proper divisors (10356124).

13808156 is a wasteful number, since it uses less digits than its factorization.

13808156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452043 (or 3452041 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 13808156 is about 3715.9327227494. The cubic root of 13808156 is about 239.9082751336.

Adding to 13808156 its reverse (65180831), we get a palindrome (78988987).

The spelling of 13808156 in words is "thirteen million, eight hundred eight thousand, one hundred fifty-six".