26218 has 4 divisors (see below), whose sum is σ = 39330. Its totient is φ = 13108.

The previous prime is 26209. The next prime is 26227. The reversal of 26218 is 81262.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (26209) and next prime (26227).

It can be written as a sum of positive squares in only one way, i.e., 23409 + 2809 = 153^2 + 53^2 .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 26195 and 26204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6553 + ... + 6556.

2²⁶²¹⁸ is an apocalyptic number.

26218 is a deficient number, since it is larger than the sum of its proper divisors (13112).

26218 is a wasteful number, since it uses less digits than its factorization.

26218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13111.

The product of its digits is 192, while the sum is 19.

The square root of 26218 is about 161.9197332014. The cubic root of 26218 is about 29.7075283134.

The spelling of 26218 in words is "twenty-six thousand, two hundred eighteen".