13958243 has 4 divisors (see below), whose sum is σ = 15031968. Its totient is φ = 12884520.

The previous prime is 13958221. The next prime is 13958249. The reversal of 13958243 is 34285931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13958243 - 2¹⁰ = 13957219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13958249) 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, 536843 + ... + 536868.

It is an arithmetic number, because the mean of its divisors is an integer number (3757992).

Almost surely, 2^13958243 is an apocalyptic number.

13958243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13958243 is a deficient number, since it is larger than the sum of its proper divisors (1073725).

13958243 is a wasteful number, since it uses less digits than its factorization.

13958243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073724.

The product of its digits is 25920, while the sum is 35.

The square root of 13958243 is about 3736.0732059209. The cubic root of 13958243 is about 240.7743680016.

The spelling of 13958243 in words is "thirteen million, nine hundred fifty-eight thousand, two hundred forty-three".