13321241 has 4 divisors (see below), whose sum is σ = 13539684. Its totient is φ = 13102800.

The previous prime is 13321229. The next prime is 13321279. The reversal of 13321241 is 14212331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6869641 + 6451600 = 2621^2 + 2540^2 .

It is not a de Polignac number, because 13321241 - 2¹⁰ = 13320217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321211) 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, 109130 + ... + 109251.

It is an arithmetic number, because the mean of its divisors is an integer number (3384921).

Almost surely, 2^13321241 is an apocalyptic number.

It is an amenable number.

13321241 is a deficient number, since it is larger than the sum of its proper divisors (218443).

13321241 is an equidigital number, since it uses as much as digits as its factorization.

13321241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218442.

The product of its digits is 144, while the sum is 17.

The square root of 13321241 is about 3649.8275301718. The cubic root of 13321241 is about 237.0545133849.

Adding to 13321241 its reverse (14212331), we get a palindrome (27533572).

The spelling of 13321241 in words is "thirteen million, three hundred twenty-one thousand, two hundred forty-one".