13487 has 2 divisors, whose sum is σ = 13488. Its totient is φ = 13486.

The previous prime is 13477. The next prime is 13499. The reversal of 13487 is 78431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13487 - 2¹² = 9391 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6743 + 6744.

It is an arithmetic number, because the mean of its divisors is an integer number (6744).

2¹³⁴⁸⁷ is an apocalyptic number.

13487 is a deficient number, since it is larger than the sum of its proper divisors (1).

13487 is an equidigital number, since it uses as much as digits as its factorization.

13487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 13487 is about 116.1335438192. The cubic root of 13487 is about 23.8033702828.

The spelling of 13487 in words is "thirteen thousand, four hundred eighty-seven".