13881696 has 48 divisors (see below), whose sum is σ = 38029824. Its totient is φ = 4425344.

The previous prime is 13881683. The next prime is 13881701. The reversal of 13881696 is 69618831.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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, 936 + ... + 5351.

It is an arithmetic number, because the mean of its divisors is an integer number (792288).

Almost surely, 2^13881696 is an apocalyptic number.

13881696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13881696 is an abundant number, since it is smaller than the sum of its proper divisors (24148128).

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

13881696 is a wasteful number, since it uses less digits than its factorization.

13881696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323 (or 6315 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 13881696 is about 3725.8148102127. The cubic root of 13881696 is about 240.3334254555. Note that the first 3 decimals are identical.

The spelling of 13881696 in words is "thirteen million, eight hundred eighty-one thousand, six hundred ninety-six".