13750243 has 16 divisors (see below), whose sum is σ = 15724800. Its totient is φ = 11918880.

The previous prime is 13750201. The next prime is 13750259. The reversal of 13750243 is 34205731.

It is a cyclic number.

It is not a de Polignac number, because 13750243 - 2¹³ = 13742051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13750283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44058 + ... + 44368.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^13750243 is an apocalyptic number.

13750243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13750243 is a deficient number, since it is larger than the sum of its proper divisors (1974557).

13750243 is a wasteful number, since it uses less digits than its factorization.

13750243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13750243 is about 3708.1320095164. The cubic root of 13750243 is about 239.5724041358.

Adding to 13750243 its reverse (34205731), we get a palindrome (47955974).

The spelling of 13750243 in words is "thirteen million, seven hundred fifty thousand, two hundred forty-three".