13053243 has 8 divisors (see below), whose sum is σ = 19890688. Its totient is φ = 7458984.

The previous prime is 13053239. The next prime is 13053253. The reversal of 13053243 is 34235031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13053243 - 2² = 13053239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 621583 = 13053243 / (1 + 3 + 0 + 5 + 3 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13053253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310771 + ... + 310812.

It is an arithmetic number, because the mean of its divisors is an integer number (2486336).

Almost surely, 2^13053243 is an apocalyptic number.

13053243 is a deficient number, since it is larger than the sum of its proper divisors (6837445).

13053243 is an equidigital number, since it uses as much as digits as its factorization.

13053243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621593.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 13053243 is about 3612.9272065736. The cubic root of 13053243 is about 235.4540369456.

Adding to 13053243 its reverse (34235031), we get a palindrome (47288274).

The spelling of 13053243 in words is "thirteen million, fifty-three thousand, two hundred forty-three".