13453449 has 4 divisors (see below), whose sum is σ = 17937936. Its totient is φ = 8968964.

The previous prime is 13453397. The next prime is 13453457. The reversal of 13453449 is 94435431.

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 a cyclic number.

It is not a de Polignac number, because 13453449 - 2¹¹ = 13451401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13453469) 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, 2242239 + ... + 2242244.

It is an arithmetic number, because the mean of its divisors is an integer number (4484484).

Almost surely, 2^13453449 is an apocalyptic number.

It is an amenable number.

13453449 is a deficient number, since it is larger than the sum of its proper divisors (4484487).

13453449 is an equidigital number, since it uses as much as digits as its factorization.

13453449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484486.

The product of its digits is 25920, while the sum is 33.

The square root of 13453449 is about 3667.8943550762. The cubic root of 13453449 is about 237.8361570358.

The spelling of 13453449 in words is "thirteen million, four hundred fifty-three thousand, four hundred forty-nine".