11599409 has 2 divisors, whose sum is σ = 11599410. Its totient is φ = 11599408.

The previous prime is 11599369. The next prime is 11599513. The reversal of 11599409 is 90499511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 3073009 = 2920^2 + 1753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11599409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11599009) 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, 5799704 + 5799705.

It is an arithmetic number, because the mean of its divisors is an integer number (5799705).

Almost surely, 2^11599409 is an apocalyptic number.

It is an amenable number.

11599409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11599409 is an equidigital number, since it uses as much as digits as its factorization.

11599409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 11599409 is about 3405.7905102927. The cubic root of 11599409 is about 226.3663947362.

The spelling of 11599409 in words is "eleven million, five hundred ninety-nine thousand, four hundred nine".