12436427 has 2 divisors, whose sum is σ = 12436428. Its totient is φ = 12436426.

The previous prime is 12436423. The next prime is 12436439. The reversal of 12436427 is 72463421.

It is a weak prime.

It is an emirp because it is prime and its reverse (72463421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12436427 - 2² = 12436423 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12436427.

It is not a weakly prime, because it can be changed into another prime (12436423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6218213 + 6218214.

It is an arithmetic number, because the mean of its divisors is an integer number (6218214).

Almost surely, 2^12436427 is an apocalyptic number.

12436427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12436427 is an equidigital number, since it uses as much as digits as its factorization.

12436427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 12436427 is about 3526.5318657287. The cubic root of 12436427 is about 231.6853331634.

Adding to 12436427 its reverse (72463421), we get a palindrome (84899848).

The spelling of 12436427 in words is "twelve million, four hundred thirty-six thousand, four hundred twenty-seven".