13443369 has 4 divisors (see below), whose sum is σ = 17924496. Its totient is φ = 8962244.

The previous prime is 13443359. The next prime is 13443371. The reversal of 13443369 is 96334431.

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 13443369 - 2⁵ = 13443337 is a prime.

It is a super-2 number, since 2×13443369² = 361448340140322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13443319) 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, 2240559 + ... + 2240564.

It is an arithmetic number, because the mean of its divisors is an integer number (4481124).

Almost surely, 2^13443369 is an apocalyptic number.

It is an amenable number.

13443369 is a deficient number, since it is larger than the sum of its proper divisors (4481127).

13443369 is an equidigital number, since it uses as much as digits as its factorization.

13443369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481126.

The product of its digits is 23328, while the sum is 33.

The square root of 13443369 is about 3666.5200122187. The cubic root of 13443369 is about 237.7767425947.

The spelling of 13443369 in words is "thirteen million, four hundred forty-three thousand, three hundred sixty-nine".