13888243 has 4 divisors (see below), whose sum is σ = 13907488. Its totient is φ = 13869000.

The previous prime is 13888181. The next prime is 13888249. The reversal of 13888243 is 34288831.

13888243 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 13888243 - 2¹⁷ = 13757171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13888249) 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, 8496 + ... + 9997.

It is an arithmetic number, because the mean of its divisors is an integer number (3476872).

Almost surely, 2^13888243 is an apocalyptic number.

13888243 is a deficient number, since it is larger than the sum of its proper divisors (19245).

13888243 is an equidigital number, since it uses as much as digits as its factorization.

13888243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19244.

The product of its digits is 36864, while the sum is 37.

The square root of 13888243 is about 3726.6933064045. The cubic root of 13888243 is about 240.3712021949.

The spelling of 13888243 in words is "thirteen million, eight hundred eighty-eight thousand, two hundred forty-three".