13220341 has 4 divisors (see below), whose sum is σ = 13263712. Its totient is φ = 13176972.

The previous prime is 13220329. The next prime is 13220351. The reversal of 13220341 is 14302231.

It is a happy number.

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 13220341 - 2⁵ = 13220309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220351) 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, 21225 + ... + 21838.

It is an arithmetic number, because the mean of its divisors is an integer number (3315928).

Almost surely, 2^13220341 is an apocalyptic number.

It is an amenable number.

13220341 is a deficient number, since it is larger than the sum of its proper divisors (43371).

13220341 is an equidigital number, since it uses as much as digits as its factorization.

13220341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43370.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13220341 is about 3635.9786853061. The cubic root of 13220341 is about 236.4544830586.

Adding to 13220341 its reverse (14302231), we get a palindrome (27522572).

The spelling of 13220341 in words is "thirteen million, two hundred twenty thousand, three hundred forty-one".