13320453 has 8 divisors (see below), whose sum is σ = 17781568. Its totient is φ = 8869824.

The previous prime is 13320443. The next prime is 13320457. The reversal of 13320453 is 35402331.

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

It is not a de Polignac number, because 13320453 - 2⁶ = 13320389 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 (13320457) 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, 1101 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (2222696).

Almost surely, 2^13320453 is an apocalyptic number.

It is an amenable number.

13320453 is a deficient number, since it is larger than the sum of its proper divisors (4461115).

13320453 is a wasteful number, since it uses less digits than its factorization.

13320453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243.

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

The square root of 13320453 is about 3649.7195782690. The cubic root of 13320453 is about 237.0498390797.

Adding to 13320453 its reverse (35402331), we get a palindrome (48722784).

The spelling of 13320453 in words is "thirteen million, three hundred twenty thousand, four hundred fifty-three".