13053247 has 4 divisors (see below), whose sum is σ = 13740280. Its totient is φ = 12366216.

The previous prime is 13053239. The next prime is 13053253. The reversal of 13053247 is 74235031.

13053247 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, and also an emirpimes, since its reverse is a distinct semiprime: 74235031 = 13 ⋅5710387.

It is a cyclic number.

It is not a de Polignac number, because 13053247 - 2³ = 13053239 is a prime.

It is a super-3 number, since 3×13053247³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003247) 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, 343488 + ... + 343525.

It is an arithmetic number, because the mean of its divisors is an integer number (3435070).

Almost surely, 2^13053247 is an apocalyptic number.

13053247 is a deficient number, since it is larger than the sum of its proper divisors (687033).

13053247 is an equidigital number, since it uses as much as digits as its factorization.

13053247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687032.

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

The square root of 13053247 is about 3612.9277601414. The cubic root of 13053247 is about 235.4540609963.

Adding to 13053247 its reverse (74235031), we get a palindrome (87288278).

The spelling of 13053247 in words is "thirteen million, fifty-three thousand, two hundred forty-seven".