12243055 has 8 divisors (see below), whose sum is σ = 16027344. Its totient is φ = 8904000.

The previous prime is 12243029. The next prime is 12243071. The reversal of 12243055 is 55034221.

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

It is not a de Polignac number, because 12243055 - 2¹⁵ = 12210287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111246 + ... + 111355.

It is an arithmetic number, because the mean of its divisors is an integer number (2003418).

Almost surely, 2^12243055 is an apocalyptic number.

12243055 is a deficient number, since it is larger than the sum of its proper divisors (3784289).

12243055 is a wasteful number, since it uses less digits than its factorization.

12243055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222617.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12243055 is about 3499.0077164819. The cubic root of 12243055 is about 230.4782424492.

Adding to 12243055 its reverse (55034221), we get a palindrome (67277276).

The spelling of 12243055 in words is "twelve million, two hundred forty-three thousand, fifty-five".