12243001 has 3 divisors (see below), whose sum is σ = 12246501. Its totient is φ = 12239502.

The previous prime is 12242987. The next prime is 12243019. The reversal of 12243001 is 10034221.

The square root of 12243001 is 3499.

It is a perfect power (a square), and thus also a powerful number.

12243001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 12243001 - 2¹¹ = 12240953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12243071) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1750 + ... + 5248.

It is an arithmetic number, because the mean of its divisors is an integer number (4082167).

Almost surely, 2^12243001 is an apocalyptic number.

12243001 is the 3499-th square number.

12243001 is the 1750-th centered octagonal number.

It is an amenable number.

12243001 is a deficient number, since it is larger than the sum of its proper divisors (3500).

12243001 is an frugal number, since it uses more digits than its factorization.

12243001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998 (or 3499 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The cubic root of 12243001 is about 230.4779035947.

Adding to 12243001 its reverse (10034221), we get a palindrome (22277222).

It can be divided in two parts, 1224 and 3001, that added together give a square (4225 = 65²).

The spelling of 12243001 in words is "twelve million, two hundred forty-three thousand, one".