26748913 has 2 divisors, whose sum is σ = 26748914. Its totient is φ = 26748912.

The previous prime is 26748907. The next prime is 26748923. The reversal of 26748913 is 31984762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26501904 + 247009 = 5148^2 + 497^2 .

It is a cyclic number.

It is not a de Polignac number, because 26748913 - 2²¹ = 24651761 is a prime.

It is not a weakly prime, because it can be changed into another prime (26748923) 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, 13374456 + 13374457.

It is an arithmetic number, because the mean of its divisors is an integer number (13374457).

Almost surely, 2^26748913 is an apocalyptic number.

It is an amenable number.

26748913 is a deficient number, since it is larger than the sum of its proper divisors (1).

26748913 is an equidigital number, since it uses as much as digits as its factorization.

26748913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 26748913 is about 5171.9351310704. The cubic root of 26748913 is about 299.0671504605.

The spelling of 26748913 in words is "twenty-six million, seven hundred forty-eight thousand, nine hundred thirteen".