12314221 has 4 divisors (see below), whose sum is σ = 12328992. Its totient is φ = 12299452.

The previous prime is 12314213. The next prime is 12314231. The reversal of 12314221 is 12241321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12241321 = 379 ⋅32299.

It is a cyclic number.

It is not a de Polignac number, because 12314221 - 2³ = 12314213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12314195 and 12314204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12314231) 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, 6055 + ... + 7828.

It is an arithmetic number, because the mean of its divisors is an integer number (3082248).

Almost surely, 2^12314221 is an apocalyptic number.

It is an amenable number.

12314221 is a deficient number, since it is larger than the sum of its proper divisors (14771).

12314221 is an equidigital number, since it uses as much as digits as its factorization.

12314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14770.

The product of its digits is 96, while the sum is 16.

The square root of 12314221 is about 3509.1624356818. The cubic root of 12314221 is about 230.9239519037.

Adding to 12314221 its reverse (12241321), we get a palindrome (24555542).

Subtracting from 12314221 its reverse (12241321), we obtain a square (72900 = 270²).

The spelling of 12314221 in words is "twelve million, three hundred fourteen thousand, two hundred twenty-one".