11876009 has 2 divisors, whose sum is σ = 11876010. Its totient is φ = 11876008.

The previous prime is 11875973. The next prime is 11876023. The reversal of 11876009 is 90067811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11539609 + 336400 = 3397^2 + 580^2 .

It is an emirp because it is prime and its reverse (90067811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11876009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11876309) 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, 5938004 + 5938005.

It is an arithmetic number, because the mean of its divisors is an integer number (5938005).

Almost surely, 2^11876009 is an apocalyptic number.

It is an amenable number.

11876009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11876009 is an equidigital number, since it uses as much as digits as its factorization.

11876009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 11876009 is about 3446.1585860201. The cubic root of 11876009 is about 228.1515932969.

The spelling of 11876009 in words is "eleven million, eight hundred seventy-six thousand, nine".