26587 has 4 divisors (see below), whose sum is σ = 29016. Its totient is φ = 24160.

The previous prime is 26573. The next prime is 26591. The reversal of 26587 is 78562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26587 - 2⁷ = 26459 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (26557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198 + ... + 1219.

It is an arithmetic number, because the mean of its divisors is an integer number (7254).

2²⁶⁵⁸⁷ is an apocalyptic number.

26587 is a deficient number, since it is larger than the sum of its proper divisors (2429).

26587 is a wasteful number, since it uses less digits than its factorization.

26587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428.

The product of its digits is 3360, while the sum is 28.

The square root of 26587 is about 163.0552053754. The cubic root of 26587 is about 29.8462504187.

The spelling of 26587 in words is "twenty-six thousand, five hundred eighty-seven".