13985099 has 4 divisors (see below), whose sum is σ = 13997136. Its totient is φ = 13973064.

The previous prime is 13985093. The next prime is 13985107. The reversal of 13985099 is 99058931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99058931 = 1831 ⋅54101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13985099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13985093) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4064 + ... + 6669.

It is an arithmetic number, because the mean of its divisors is an integer number (3499284).

Almost surely, 2^13985099 is an apocalyptic number.

13985099 is a deficient number, since it is larger than the sum of its proper divisors (12037).

13985099 is a wasteful number, since it uses less digits than its factorization.

13985099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 13985099 is about 3739.6656267640. The cubic root of 13985099 is about 240.9286876579.

The spelling of 13985099 in words is "thirteen million, nine hundred eighty-five thousand, ninety-nine".