13553219 has 4 divisors (see below), whose sum is σ = 13634544. Its totient is φ = 13471896.

The previous prime is 13553209. The next prime is 13553257. The reversal of 13553219 is 91235531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91235531 = 149 ⋅612319.

It is a cyclic number.

It is not a de Polignac number, because 13553219 - 2⁴ = 13553203 is a prime.

It is a super-2 number, since 2×13553219² = 367379490523922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13553191 and 13553200.

It is not an unprimeable number, because it can be changed into a prime (13553209) 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, 40412 + ... + 40745.

It is an arithmetic number, because the mean of its divisors is an integer number (3408636).

Almost surely, 2^13553219 is an apocalyptic number.

13553219 is a deficient number, since it is larger than the sum of its proper divisors (81325).

13553219 is an equidigital number, since it uses as much as digits as its factorization.

13553219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81324.

The product of its digits is 4050, while the sum is 29.

The square root of 13553219 is about 3681.4696793536. The cubic root of 13553219 is about 238.4226360482.

The spelling of 13553219 in words is "thirteen million, five hundred fifty-three thousand, two hundred nineteen".