11389717 has 2 divisors, whose sum is σ = 11389718. Its totient is φ = 11389716.

The previous prime is 11389699. The next prime is 11389723. The reversal of 11389717 is 71798311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8242641 + 3147076 = 2871^2 + 1774^2 .

It is a cyclic number.

It is not a de Polignac number, because 11389717 - 2¹⁵ = 11356949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11389517) 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, 5694858 + 5694859.

It is an arithmetic number, because the mean of its divisors is an integer number (5694859).

Almost surely, 2^11389717 is an apocalyptic number.

It is an amenable number.

11389717 is a deficient number, since it is larger than the sum of its proper divisors (1).

11389717 is an equidigital number, since it uses as much as digits as its factorization.

11389717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 37.

The square root of 11389717 is about 3374.8654788006. The cubic root of 11389717 is about 224.9940212403.

It can be divided in two parts, 1138971 and 7, that multiplied together give a palindrome (7972797).

The spelling of 11389717 in words is "eleven million, three hundred eighty-nine thousand, seven hundred seventeen".