12243727 has 4 divisors (see below), whose sum is σ = 12307360. Its totient is φ = 12180096.

The previous prime is 12243709. The next prime is 12243743. The reversal of 12243727 is 72734221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72734221 = 7 ⋅10390603.

It is a cyclic number.

It is not a de Polignac number, because 12243727 - 2¹¹ = 12241679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12243695 and 12243704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31527 + ... + 31912.

It is an arithmetic number, because the mean of its divisors is an integer number (3076840).

Almost surely, 2^12243727 is an apocalyptic number.

12243727 is a deficient number, since it is larger than the sum of its proper divisors (63633).

12243727 is an equidigital number, since it uses as much as digits as its factorization.

12243727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63632.

The product of its digits is 4704, while the sum is 28.

The square root of 12243727 is about 3499.1037423889. The cubic root of 12243727 is about 230.4824592220.

Adding to 12243727 its reverse (72734221), we get a palindrome (84977948).

The spelling of 12243727 in words is "twelve million, two hundred forty-three thousand, seven hundred twenty-seven".