13999108 has 12 divisors (see below), whose sum is σ = 24525900. Its totient is φ = 6991712.

The previous prime is 13999099. The next prime is 13999121. The reversal of 13999108 is 80199931.

It can be written as a sum of positive squares in 2 ways, for example, as 13483584 + 515524 = 3672^2 + 718^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4218 + ... + 6766.

It is an arithmetic number, because the mean of its divisors is an integer number (2043825).

Almost surely, 2^13999108 is an apocalyptic number.

It is an amenable number.

13999108 is a deficient number, since it is larger than the sum of its proper divisors (10526792).

13999108 is a wasteful number, since it uses less digits than its factorization.

13999108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926 (or 3924 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 13999108 is about 3741.5381863613. The cubic root of 13999108 is about 241.0091076257.

The spelling of 13999108 in words is "thirteen million, nine hundred ninety-nine thousand, one hundred eight".