11306389 has 2 divisors, whose sum is σ = 11306390. Its totient is φ = 11306388.

The previous prime is 11306381. The next prime is 11306419. The reversal of 11306389 is 98360311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 3771364 = 2745^2 + 1942^2 .

It is a cyclic number.

It is not a de Polignac number, because 11306389 - 2³ = 11306381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11306389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11306381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5653194 + 5653195.

It is an arithmetic number, because the mean of its divisors is an integer number (5653195).

Almost surely, 2^11306389 is an apocalyptic number.

It is an amenable number.

11306389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11306389 is an equidigital number, since it uses as much as digits as its factorization.

11306389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 11306389 is about 3362.4974349433. The cubic root of 11306389 is about 224.4439867996.

The spelling of 11306389 in words is "eleven million, three hundred six thousand, three hundred eighty-nine".