12237427 has 2 divisors, whose sum is σ = 12237428. Its totient is φ = 12237426.

The previous prime is 12237419. The next prime is 12237431. The reversal of 12237427 is 72473221.

It is a strong prime.

It is an emirp because it is prime and its reverse (72473221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12237427 - 2³ = 12237419 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12237395 and 12237404.

It is not a weakly prime, because it can be changed into another prime (12237457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6118713 + 6118714.

It is an arithmetic number, because the mean of its divisors is an integer number (6118714).

Almost surely, 2^12237427 is an apocalyptic number.

12237427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12237427 is an equidigital number, since it uses as much as digits as its factorization.

12237427 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12237427 is about 3498.2033960306. The cubic root of 12237427 is about 230.4429209177.

The spelling of 12237427 in words is "twelve million, two hundred thirty-seven thousand, four hundred twenty-seven".