13131253 has 4 divisors (see below), whose sum is σ = 13138848. Its totient is φ = 13123660.

The previous prime is 13131241. The next prime is 13131257. The reversal of 13131253 is 35213131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35213131 = 431 ⋅81701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13131253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13131253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131257) 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, 198 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (3284712).

Almost surely, 2^13131253 is an apocalyptic number.

It is an amenable number.

13131253 is a deficient number, since it is larger than the sum of its proper divisors (7595).

13131253 is an equidigital number, since it uses as much as digits as its factorization.

13131253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594.

The product of its digits is 270, while the sum is 19.

The square root of 13131253 is about 3623.7070797734. The cubic root of 13131253 is about 235.9221530564.

Adding to 13131253 its reverse (35213131), we get a palindrome (48344384).

The spelling of 13131253 in words is "thirteen million, one hundred thirty-one thousand, two hundred fifty-three".