12243274 has 4 divisors (see below), whose sum is σ = 18364914. Its totient is φ = 6121636.

The previous prime is 12243251. The next prime is 12243289. The reversal of 12243274 is 47234221.

It is a happy number.

12243274 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.

It can be written as a sum of positive squares in only one way, i.e., 6275025 + 5968249 = 2505^2 + 2443^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060817 + ... + 3060820.

Almost surely, 2^12243274 is an apocalyptic number.

12243274 is a deficient number, since it is larger than the sum of its proper divisors (6121640).

12243274 is an equidigital number, since it uses as much as digits as its factorization.

12243274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121639.

The product of its digits is 2688, while the sum is 25.

The square root of 12243274 is about 3499.0390109286. The cubic root of 12243274 is about 230.4796166823.

Adding to 12243274 its reverse (47234221), we get a palindrome (59477495).

The spelling of 12243274 in words is "twelve million, two hundred forty-three thousand, two hundred seventy-four".