12213254 has 8 divisors (see below), whose sum is σ = 18343920. Its totient is φ = 6098616.

The previous prime is 12213251. The next prime is 12213269. The reversal of 12213254 is 45231221.

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

It is a super-3 number, since 3×12213254³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (2292990).

Almost surely, 2^12213254 is an apocalyptic number.

12213254 is a deficient number, since it is larger than the sum of its proper divisors (6130666).

12213254 is an equidigital number, since it uses as much as digits as its factorization.

12213254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014.

The product of its digits is 480, while the sum is 20.

The square root of 12213254 is about 3494.7466288703. The cubic root of 12213254 is about 230.2910870226.

Adding to 12213254 its reverse (45231221), we get a palindrome (57444475).

The spelling of 12213254 in words is "twelve million, two hundred thirteen thousand, two hundred fifty-four".