13808944 has 20 divisors (see below), whose sum is σ = 26815000. Its totient is φ = 6888960.

The previous prime is 13808941. The next prime is 13808969. The reversal of 13808944 is 44980831.

It is not an unprimeable number, because it can be changed into a prime (13808941) 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 3 ways as a sum of consecutive naturals, for example, 10432 + ... + 11680.

It is an arithmetic number, because the mean of its divisors is an integer number (1340750).

Almost surely, 2^13808944 is an apocalyptic number.

It is an amenable number.

13808944 is a deficient number, since it is larger than the sum of its proper divisors (13006056).

13808944 is a wasteful number, since it uses less digits than its factorization.

13808944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1942 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 13808944 is about 3716.0387511435. The cubic root of 13808944 is about 239.9128387197.

The spelling of 13808944 in words is "thirteen million, eight hundred eight thousand, nine hundred forty-four".