26613113 has 4 divisors (see below), whose sum is σ = 26857380. Its totient is φ = 26368848.

The previous prime is 26613107. The next prime is 26613131. The reversal of 26613113 is 31131662.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24078649 + 2534464 = 4907^2 + 1592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26613113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26613133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121970 + ... + 122187.

It is an arithmetic number, because the mean of its divisors is an integer number (6714345).

Almost surely, 2^26613113 is an apocalyptic number.

It is an amenable number.

26613113 is a deficient number, since it is larger than the sum of its proper divisors (244267).

26613113 is a wasteful number, since it uses less digits than its factorization.

26613113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244266.

The product of its digits is 648, while the sum is 23.

The square root of 26613113 is about 5158.7898774810. The cubic root of 26613113 is about 298.5601860258.

Adding to 26613113 its reverse (31131662), we get a palindrome (57744775).

The spelling of 26613113 in words is "twenty-six million, six hundred thirteen thousand, one hundred thirteen".