13981084 has 24 divisors (see below), whose sum is σ = 26463920. Its totient is φ = 6424704.

The previous prime is 13981027. The next prime is 13981111. The reversal of 13981084 is 48018931.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 15847 + ... + 16705.

Almost surely, 2^13981084 is an apocalyptic number.

It is an amenable number.

13981084 is a deficient number, since it is larger than the sum of its proper divisors (12482836).

13981084 is a wasteful number, since it uses less digits than its factorization.

13981084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 13981084 is about 3739.1287755305. The cubic root of 13981084 is about 240.9056292759.

The spelling of 13981084 in words is "thirteen million, nine hundred eighty-one thousand, eighty-four".