26626013 has 2 divisors, whose sum is σ = 26626014. Its totient is φ = 26626012.

The previous prime is 26626009. The next prime is 26626037. The reversal of 26626013 is 31062662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25775929 + 850084 = 5077^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 26626013 - 2² = 26626009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26626003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13313006 + 13313007.

It is an arithmetic number, because the mean of its divisors is an integer number (13313007).

Almost surely, 2^26626013 is an apocalyptic number.

It is an amenable number.

26626013 is a deficient number, since it is larger than the sum of its proper divisors (1).

26626013 is an equidigital number, since it uses as much as digits as its factorization.

26626013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 26626013 is about 5160.0400192247. The cubic root of 26626013 is about 298.6084179416.

Adding to 26626013 its reverse (31062662), we get a palindrome (57688675).

The spelling of 26626013 in words is "twenty-six million, six hundred twenty-six thousand, thirteen".