13827487 has 2 divisors, whose sum is σ = 13827488. Its totient is φ = 13827486.

The previous prime is 13827469. The next prime is 13827491. The reversal of 13827487 is 78472831.

13827487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13827487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13827787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6913743 + 6913744.

It is an arithmetic number, because the mean of its divisors is an integer number (6913744).

Almost surely, 2^13827487 is an apocalyptic number.

13827487 is a deficient number, since it is larger than the sum of its proper divisors (1).

13827487 is an equidigital number, since it uses as much as digits as its factorization.

13827487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 40.

The square root of 13827487 is about 3718.5329096298. The cubic root of 13827487 is about 240.0201777017.

The spelling of 13827487 in words is "thirteen million, eight hundred twenty-seven thousand, four hundred eighty-seven".