13344427 has 2 divisors, whose sum is σ = 13344428. Its totient is φ = 13344426.

The previous prime is 13344407. The next prime is 13344431. The reversal of 13344427 is 72444331.

It is a strong prime.

It is an emirp because it is prime and its reverse (72444331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13344427 - 2¹⁵ = 13311659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13344395 and 13344404.

It is not a weakly prime, because it can be changed into another prime (13344407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6672213 + 6672214.

It is an arithmetic number, because the mean of its divisors is an integer number (6672214).

Almost surely, 2^13344427 is an apocalyptic number.

13344427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13344427 is an equidigital number, since it uses as much as digits as its factorization.

13344427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 28.

The square root of 13344427 is about 3653.0024637276. The cubic root of 13344427 is about 237.1919670495.

Adding to 13344427 its reverse (72444331), we get a palindrome (85788758).

The spelling of 13344427 in words is "thirteen million, three hundred forty-four thousand, four hundred twenty-seven".