26327813 has 2 divisors, whose sum is σ = 26327814. Its totient is φ = 26327812.

The previous prime is 26327809. The next prime is 26327839. The reversal of 26327813 is 31872362.

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., 22259524 + 4068289 = 4718^2 + 2017^2 .

It is a cyclic number.

It is not a de Polignac number, because 26327813 - 2² = 26327809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26327813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26327113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13163906 + 13163907.

It is an arithmetic number, because the mean of its divisors is an integer number (13163907).

Almost surely, 2^26327813 is an apocalyptic number.

It is an amenable number.

26327813 is a deficient number, since it is larger than the sum of its proper divisors (1).

26327813 is an equidigital number, since it uses as much as digits as its factorization.

26327813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 26327813 is about 5131.0635349799. The cubic root of 26327813 is about 297.4894678850.

The spelling of 26327813 in words is "twenty-six million, three hundred twenty-seven thousand, eight hundred thirteen".