11764009 has 2 divisors, whose sum is σ = 11764010. Its totient is φ = 11764008.

The previous prime is 11764001. The next prime is 11764013. The reversal of 11764009 is 90046711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8248384 + 3515625 = 2872^2 + 1875^2 .

It is a cyclic number.

It is not a de Polignac number, because 11764009 - 2³ = 11764001 is a prime.

It is not a weakly prime, because it can be changed into another prime (11764001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5882004 + 5882005.

It is an arithmetic number, because the mean of its divisors is an integer number (5882005).

Almost surely, 2^11764009 is an apocalyptic number.

It is an amenable number.

11764009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11764009 is an equidigital number, since it uses as much as digits as its factorization.

11764009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 11764009 is about 3429.8701141588. The cubic root of 11764009 is about 227.4321111282.

The spelling of 11764009 in words is "eleven million, seven hundred sixty-four thousand, nine".