13808235 has 16 divisors (see below), whose sum is σ = 25249536. Its totient is φ = 6312288.

The previous prime is 13808209. The next prime is 13808251. The reversal of 13808235 is 53280831.

It is a happy number.

It is not a de Polignac number, because 13808235 - 2¹² = 13804139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65649 + ... + 65858.

It is an arithmetic number, because the mean of its divisors is an integer number (1578096).

Almost surely, 2^13808235 is an apocalyptic number.

13808235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13808235 is a deficient number, since it is larger than the sum of its proper divisors (11441301).

13808235 is a wasteful number, since it uses less digits than its factorization.

13808235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131522.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 13808235 is about 3715.9433526360. The cubic root of 13808235 is about 239.9087326583.

The spelling of 13808235 in words is "thirteen million, eight hundred eight thousand, two hundred thirty-five".