13381427 has 2 divisors, whose sum is σ = 13381428. Its totient is φ = 13381426.

The previous prime is 13381421. The next prime is 13381463. The reversal of 13381427 is 72418331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13381427 - 2¹⁰ = 13380403 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 13381427.

It is not a weakly prime, because it can be changed into another prime (13381421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6690713 + 6690714.

It is an arithmetic number, because the mean of its divisors is an integer number (6690714).

Almost surely, 2^13381427 is an apocalyptic number.

13381427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13381427 is an equidigital number, since it uses as much as digits as its factorization.

13381427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 13381427 is about 3658.0632854012. The cubic root of 13381427 is about 237.4109849238.

Adding to 13381427 its reverse (72418331), we get a palindrome (85799758).

The spelling of 13381427 in words is "thirteen million, three hundred eighty-one thousand, four hundred twenty-seven".