26801013 has 4 divisors (see below), whose sum is σ = 35734688. Its totient is φ = 17867340.

The previous prime is 26800981. The next prime is 26801023. The reversal of 26801013 is 31010862.

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.

It is not a de Polignac number, because 26801013 - 2⁵ = 26800981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26801023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4466833 + ... + 4466838.

It is an arithmetic number, because the mean of its divisors is an integer number (8933672).

Almost surely, 2^26801013 is an apocalyptic number.

It is an amenable number.

26801013 is a deficient number, since it is larger than the sum of its proper divisors (8933675).

26801013 is an equidigital number, since it uses as much as digits as its factorization.

26801013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8933674.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 26801013 is about 5176.9694803041. The cubic root of 26801013 is about 299.2611931528.

Adding to 26801013 its reverse (31010862), we get a palindrome (57811875).

The spelling of 26801013 in words is "twenty-six million, eight hundred one thousand, thirteen".