13038243 has 4 divisors (see below), whose sum is σ = 17384328. Its totient is φ = 8692160.

The previous prime is 13038241. The next prime is 13038247. The reversal of 13038243 is 34283031.

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 13038243 - 2¹ = 13038241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13038241) 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, 2173038 + ... + 2173043.

It is an arithmetic number, because the mean of its divisors is an integer number (4346082).

Almost surely, 2^13038243 is an apocalyptic number.

13038243 is a deficient number, since it is larger than the sum of its proper divisors (4346085).

13038243 is an equidigital number, since it uses as much as digits as its factorization.

13038243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346084.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13038243 is about 3610.8507307835. The cubic root of 13038243 is about 235.3638125147.

The spelling of 13038243 in words is "thirteen million, thirty-eight thousand, two hundred forty-three".