13496221 has 4 divisors (see below), whose sum is σ = 13514944. Its totient is φ = 13477500.

The previous prime is 13496207. The next prime is 13496233. The reversal of 13496221 is 12269431.

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: 12269431 = 2027 ⋅6053.

It is a cyclic number.

It is not a de Polignac number, because 13496221 - 2⁹ = 13495709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13496221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13496201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8235 + ... + 9736.

It is an arithmetic number, because the mean of its divisors is an integer number (3378736).

Almost surely, 2^13496221 is an apocalyptic number.

It is an amenable number.

13496221 is a deficient number, since it is larger than the sum of its proper divisors (18723).

13496221 is an equidigital number, since it uses as much as digits as its factorization.

13496221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18722.

The product of its digits is 2592, while the sum is 28.

The square root of 13496221 is about 3673.7203214181. The cubic root of 13496221 is about 238.0879379863.

The spelling of 13496221 in words is "thirteen million, four hundred ninety-six thousand, two hundred twenty-one".