13355321 has 4 divisors (see below), whose sum is σ = 15263232. Its totient is φ = 11447412.

The previous prime is 13355297. The next prime is 13355323. The reversal of 13355321 is 12355331.

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 13355321 - 2⁶ = 13355257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13355323) 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, 953945 + ... + 953958.

It is an arithmetic number, because the mean of its divisors is an integer number (3815808).

Almost surely, 2^13355321 is an apocalyptic number.

It is an amenable number.

13355321 is a deficient number, since it is larger than the sum of its proper divisors (1907911).

13355321 is an equidigital number, since it uses as much as digits as its factorization.

13355321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907910.

The product of its digits is 1350, while the sum is 23.

The square root of 13355321 is about 3654.4932617259. The cubic root of 13355321 is about 237.2564950219.

The spelling of 13355321 in words is "thirteen million, three hundred fifty-five thousand, three hundred twenty-one".