12482221 has 4 divisors (see below), whose sum is σ = 13139200. Its totient is φ = 11825244.

The previous prime is 12482219. The next prime is 12482227. The reversal of 12482221 is 12228421.

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 12482221 - 2¹ = 12482219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12482192 and 12482201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12482227) 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, 328461 + ... + 328498.

It is an arithmetic number, because the mean of its divisors is an integer number (3284800).

Almost surely, 2^12482221 is an apocalyptic number.

It is an amenable number.

12482221 is a deficient number, since it is larger than the sum of its proper divisors (656979).

12482221 is an equidigital number, since it uses as much as digits as its factorization.

12482221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656978.

The product of its digits is 512, while the sum is 22.

The square root of 12482221 is about 3533.0186809583. The cubic root of 12482221 is about 231.9693590627.

It can be divided in two parts, 124822 and 21, that multiplied together give a palindrome (2621262).

The spelling of 12482221 in words is "twelve million, four hundred eighty-two thousand, two hundred twenty-one".