26744813 has 2 divisors, whose sum is σ = 26744814. Its totient is φ = 26744812.

The previous prime is 26744801. The next prime is 26744831. The reversal of 26744813 is 31844762.

Together with next prime (26744831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16104169 + 10640644 = 4013^2 + 3262^2 .

It is a cyclic number.

It is not a de Polignac number, because 26744813 - 2¹⁰ = 26743789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26744863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13372406 + 13372407.

It is an arithmetic number, because the mean of its divisors is an integer number (13372407).

Almost surely, 2^26744813 is an apocalyptic number.

It is an amenable number.

26744813 is a deficient number, since it is larger than the sum of its proper divisors (1).

26744813 is an equidigital number, since it uses as much as digits as its factorization.

26744813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 26744813 is about 5171.5387458666. The cubic root of 26744813 is about 299.0518696156.

The spelling of 26744813 in words is "twenty-six million, seven hundred forty-four thousand, eight hundred thirteen".