13113453 has 4 divisors (see below), whose sum is σ = 17484608. Its totient is φ = 8742300.

The previous prime is 13113431. The next prime is 13113467. The reversal of 13113453 is 35431131.

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.

It is not a de Polignac number, because 13113453 - 2⁶ = 13113389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113413) 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, 2185573 + ... + 2185578.

It is an arithmetic number, because the mean of its divisors is an integer number (4371152).

Almost surely, 2^13113453 is an apocalyptic number.

It is an amenable number.

13113453 is a deficient number, since it is larger than the sum of its proper divisors (4371155).

13113453 is an equidigital number, since it uses as much as digits as its factorization.

13113453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371154.

The product of its digits is 540, while the sum is 21.

The square root of 13113453 is about 3621.2501984812. The cubic root of 13113453 is about 235.8155038470.

Adding to 13113453 its reverse (35431131), we get a palindrome (48544584).

The spelling of 13113453 in words is "thirteen million, one hundred thirteen thousand, four hundred fifty-three".