13981996 has 24 divisors (see below), whose sum is σ = 28157696. Its totient is φ = 5950800.

The previous prime is 13981991. The next prime is 13982021. The reversal of 13981996 is 69918931.

13981996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13981991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575 + ... + 5881.

Almost surely, 2^13981996 is an apocalyptic number.

It is an amenable number.

13981996 is an abundant number, since it is smaller than the sum of its proper divisors (14175700).

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

13981996 is a wasteful number, since it uses less digits than its factorization.

13981996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469 (or 3467 counting only the distinct ones).

The product of its digits is 104976, while the sum is 46.

The square root of 13981996 is about 3739.2507270842. The cubic root of 13981996 is about 240.9108673332.

The spelling of 13981996 in words is "thirteen million, nine hundred eighty-one thousand, nine hundred ninety-six".