13999241 has 4 divisors (see below), whose sum is σ = 14022912. Its totient is φ = 13975572.

The previous prime is 13999213. The next prime is 13999253. The reversal of 13999241 is 14299931.

13999241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13999241 - 2¹⁰ = 13998217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13999195 and 13999204.

It is not an unprimeable number, because it can be changed into a prime (13999291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10925 + ... + 12138.

It is an arithmetic number, because the mean of its divisors is an integer number (3505728).

Almost surely, 2^13999241 is an apocalyptic number.

It is an amenable number.

13999241 is a deficient number, since it is larger than the sum of its proper divisors (23671).

13999241 is an equidigital number, since it uses as much as digits as its factorization.

13999241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23670.

The product of its digits is 17496, while the sum is 38.

The square root of 13999241 is about 3741.5559597579. Note that the first 3 decimals coincide. The cubic root of 13999241 is about 241.0098708674.

The spelling of 13999241 in words is "thirteen million, nine hundred ninety-nine thousand, two hundred forty-one".