12552218 has 8 divisors (see below), whose sum is σ = 21518112. Its totient is φ = 5379516.

The previous prime is 12552209. The next prime is 12552223. The reversal of 12552218 is 81225521.

12552218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448280 + ... + 448307.

It is an arithmetic number, because the mean of its divisors is an integer number (2689764).

Almost surely, 2^12552218 is an apocalyptic number.

12552218 is a deficient number, since it is larger than the sum of its proper divisors (8965894).

12552218 is an equidigital number, since it uses as much as digits as its factorization.

12552218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896596.

The product of its digits is 1600, while the sum is 26.

The square root of 12552218 is about 3542.9109500522. The cubic root of 12552218 is about 232.4021587009.

Adding to 12552218 its reverse (81225521), we get a palindrome (93777739).

The spelling of 12552218 in words is "twelve million, five hundred fifty-two thousand, two hundred eighteen".