13414221 has 16 divisors (see below), whose sum is σ = 20737920. Its totient is φ = 8553600.

The previous prime is 13414213. The next prime is 13414249. The reversal of 13414221 is 12241431.

13414221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13414221 - 2³ = 13414213 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13414194 and 13414203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13414201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10180 + ... + 11421.

It is an arithmetic number, because the mean of its divisors is an integer number (1296120).

Almost surely, 2^13414221 is an apocalyptic number.

It is an amenable number.

13414221 is a deficient number, since it is larger than the sum of its proper divisors (7323699).

13414221 is a wasteful number, since it uses less digits than its factorization.

13414221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21633 (or 21627 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 13414221 is about 3662.5429690312. The cubic root of 13414221 is about 237.6047685504.

Adding to 13414221 its reverse (12241431), we get a palindrome (25655652).

The spelling of 13414221 in words is "thirteen million, four hundred fourteen thousand, two hundred twenty-one".