11577609 has 12 divisors (see below), whose sum is σ = 16825536. Its totient is φ = 7671192.

The previous prime is 11577607. The next prime is 11577611. The reversal of 11577609 is 90677511.

It is an interprime number because it is at equal distance from previous prime (11577607) and next prime (11577611).

It is not a de Polignac number, because 11577609 - 2¹ = 11577607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11577607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2349 + ... + 5354.

It is an arithmetic number, because the mean of its divisors is an integer number (1402128).

Almost surely, 2^11577609 is an apocalyptic number.

It is an amenable number.

11577609 is a deficient number, since it is larger than the sum of its proper divisors (5247927).

11577609 is a wasteful number, since it uses less digits than its factorization.

11577609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7876 (or 7873 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The square root of 11577609 is about 3402.5885734247. The cubic root of 11577609 is about 226.2244943420.

The spelling of 11577609 in words is "eleven million, five hundred seventy-seven thousand, six hundred nine".