26117713 has 4 divisors (see below), whose sum is σ = 26129920. Its totient is φ = 26105508.

The previous prime is 26117701. The next prime is 26117747. The reversal of 26117713 is 31771162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26117713 - 2²¹ = 24020561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26117753) 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, 1953 + ... + 7486.

It is an arithmetic number, because the mean of its divisors is an integer number (6532480).

Almost surely, 2^26117713 is an apocalyptic number.

It is an amenable number.

26117713 is a deficient number, since it is larger than the sum of its proper divisors (12207).

26117713 is an equidigital number, since it uses as much as digits as its factorization.

26117713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12206.

The product of its digits is 1764, while the sum is 28.

The square root of 26117713 is about 5110.5491877097. The cubic root of 26117713 is about 296.6960162578.

Adding to 26117713 its reverse (31771162), we get a palindrome (57888875).

The spelling of 26117713 in words is "twenty-six million, one hundred seventeen thousand, seven hundred thirteen".