11959369 has 2 divisors, whose sum is σ = 11959370. Its totient is φ = 11959368.

The previous prime is 11959357. The next prime is 11959391. The reversal of 11959369 is 96395911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10969344 + 990025 = 3312^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 11959369 - 2⁹ = 11958857 is a prime.

It is a super-2 number, since 2×11959369² = 286053013756322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11959319) 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, 5979684 + 5979685.

It is an arithmetic number, because the mean of its divisors is an integer number (5979685).

Almost surely, 2^11959369 is an apocalyptic number.

It is an amenable number.

11959369 is a deficient number, since it is larger than the sum of its proper divisors (1).

11959369 is an equidigital number, since it uses as much as digits as its factorization.

11959369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65610, while the sum is 43.

The square root of 11959369 is about 3458.2320627743. The cubic root of 11959369 is about 228.6841625254.

The spelling of 11959369 in words is "eleven million, nine hundred fifty-nine thousand, three hundred sixty-nine".