13170453 has 4 divisors (see below), whose sum is σ = 17560608. Its totient is φ = 8780300.

The previous prime is 13170431. The next prime is 13170457. The reversal of 13170453 is 35407131.

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 an emirpimes, since its reverse is a distinct semiprime: 35407131 = 3 ⋅11802377.

It is a cyclic number.

It is not a de Polignac number, because 13170453 - 2¹² = 13166357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13170457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195073 + ... + 2195078.

It is an arithmetic number, because the mean of its divisors is an integer number (4390152).

Almost surely, 2^13170453 is an apocalyptic number.

It is an amenable number.

13170453 is a deficient number, since it is larger than the sum of its proper divisors (4390155).

13170453 is an equidigital number, since it uses as much as digits as its factorization.

13170453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390154.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 13170453 is about 3629.1118748256. Note that the first 3 decimals coincide. The cubic root of 13170453 is about 236.1566816012.

Adding to 13170453 its reverse (35407131), we get a palindrome (48577584).

The spelling of 13170453 in words is "thirteen million, one hundred seventy thousand, four hundred fifty-three".