26997713 has 2 divisors, whose sum is σ = 26997714. Its totient is φ = 26997712.

The previous prime is 26997709. The next prime is 26997769. The reversal of 26997713 is 31779962.

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., 26915344 + 82369 = 5188^2 + 287^2 .

It is a cyclic number.

It is not a de Polignac number, because 26997713 - 2² = 26997709 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26927713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13498856 + 13498857.

It is an arithmetic number, because the mean of its divisors is an integer number (13498857).

Almost surely, 2^26997713 is an apocalyptic number.

It is an amenable number.

26997713 is a deficient number, since it is larger than the sum of its proper divisors (1).

26997713 is an equidigital number, since it uses as much as digits as its factorization.

26997713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 44.

The square root of 26997713 is about 5195.9323513687. The cubic root of 26997713 is about 299.9915293905.

The spelling of 26997713 in words is "twenty-six million, nine hundred ninety-seven thousand, seven hundred thirteen".