26718013 has 8 divisors (see below), whose sum is σ = 30567680. Its totient is φ = 22876560.

The previous prime is 26717981. The next prime is 26718053. The reversal of 26718013 is 31081762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26718013 - 2⁵ = 26717981 is a prime.

It is a Duffinian number.

26718013 is a modest number, since divided by 8013 gives 2671 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26718053) 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 in 7 ways as a sum of consecutive naturals, for example, 8668 + ... + 11338.

It is an arithmetic number, because the mean of its divisors is an integer number (3820960).

Almost surely, 2^26718013 is an apocalyptic number.

It is an amenable number.

26718013 is a deficient number, since it is larger than the sum of its proper divisors (3849667).

26718013 is a wasteful number, since it uses less digits than its factorization.

26718013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 26718013 is about 5168.9469914094. The cubic root of 26718013 is about 298.9519465808.

Adding to 26718013 its reverse (31081762), we get a palindrome (57799775).

The spelling of 26718013 in words is "twenty-six million, seven hundred eighteen thousand, thirteen".