13669369 has 4 divisors (see below), whose sum is σ = 15622144. Its totient is φ = 11716596.

The previous prime is 13669361. The next prime is 13669423. The reversal of 13669369 is 96396631.

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 13669369 - 2³ = 13669361 is a prime.

It is a super-2 number, since 2×13669369² = 373703297716322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13669361) 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, 976377 + ... + 976390.

It is an arithmetic number, because the mean of its divisors is an integer number (3905536).

Almost surely, 2^13669369 is an apocalyptic number.

It is an amenable number.

13669369 is a deficient number, since it is larger than the sum of its proper divisors (1952775).

13669369 is an equidigital number, since it uses as much as digits as its factorization.

13669369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952774.

The product of its digits is 157464, while the sum is 43.

The square root of 13669369 is about 3697.2109758573. The cubic root of 13669369 is about 239.1017872607.

The spelling of 13669369 in words is "thirteen million, six hundred sixty-nine thousand, three hundred sixty-nine".