13314221 has 8 divisors (see below), whose sum is σ = 13797888. Its totient is φ = 12834000.

The previous prime is 13314181. The next prime is 13314239. The reversal of 13314221 is 12241331.

13314221 = T₁₂₃ + T₁₂₄ + ... + T₄₃₃.

13314221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13314221 - 2¹⁸ = 13052077 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 13314221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13314271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8951 + ... + 10331.

It is an arithmetic number, because the mean of its divisors is an integer number (1724736).

Almost surely, 2^13314221 is an apocalyptic number.

It is an amenable number.

13314221 is a deficient number, since it is larger than the sum of its proper divisors (483667).

13314221 is a wasteful number, since it uses less digits than its factorization.

13314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723.

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

The square root of 13314221 is about 3648.8657141638. The cubic root of 13314221 is about 237.0128652360.

Adding to 13314221 its reverse (12241331), we get a palindrome (25555552).

The spelling of 13314221 in words is "thirteen million, three hundred fourteen thousand, two hundred twenty-one".