14653221 has 24 divisors (see below), whose sum is σ = 22075872. Its totient is φ = 8632800.

The previous prime is 14653213. The next prime is 14653253. The reversal of 14653221 is 12235641.

It is not a de Polignac number, because 14653221 - 2³ = 14653213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14653191 and 14653200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14653271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12886 + ... + 13976.

It is an arithmetic number, because the mean of its divisors is an integer number (919828).

Almost surely, 2^14653221 is an apocalyptic number.

14653221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14653221 is a deficient number, since it is larger than the sum of its proper divisors (7422651).

14653221 is a wasteful number, since it uses less digits than its factorization.

14653221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1142 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 14653221 is about 3827.9525859133. The cubic root of 14653221 is about 244.7058583020.

Adding to 14653221 its reverse (12235641), we get a palindrome (26888862).

The spelling of 14653221 in words is "fourteen million, six hundred fifty-three thousand, two hundred twenty-one".