26922013 has 2 divisors, whose sum is σ = 26922014. Its totient is φ = 26922012.

The previous prime is 26922011. The next prime is 26922041. The reversal of 26922013 is 31022962.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25583364 + 1338649 = 5058^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 26922013 - 2¹ = 26922011 is a prime.

Together with 26922011, it forms a pair of twin primes.

It is a plaindrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26922011) 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 as a sum of consecutive naturals, namely, 13461006 + 13461007.

It is an arithmetic number, because the mean of its divisors is an integer number (13461007).

Almost surely, 2^26922013 is an apocalyptic number.

It is an amenable number.

26922013 is a deficient number, since it is larger than the sum of its proper divisors (1).

26922013 is an equidigital number, since it uses as much as digits as its factorization.

26922013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 26922013 is about 5188.6426934219. The cubic root of 26922013 is about 299.7108807156.

Adding to 26922013 its reverse (31022962), we get a palindrome (57944975).

The spelling of 26922013 in words is "twenty-six million, nine hundred twenty-two thousand, thirteen".