11680385 has 8 divisors (see below), whose sum is σ = 14034816. Its totient is φ = 9332080.

The previous prime is 11680379. The next prime is 11680457. The reversal of 11680385 is 58308611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11680385 - 2²⁰ = 10631809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6650 + ... + 8220.

It is an arithmetic number, because the mean of its divisors is an integer number (1754352).

Almost surely, 2^11680385 is an apocalyptic number.

It is an amenable number.

11680385 is a deficient number, since it is larger than the sum of its proper divisors (2354431).

11680385 is a wasteful number, since it uses less digits than its factorization.

11680385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 11680385 is about 3417.6578237149. The cubic root of 11680385 is about 226.8919317150.

Adding to 11680385 its reverse (58308611), we get a palindrome (69988996).

The spelling of 11680385 in words is "eleven million, six hundred eighty thousand, three hundred eighty-five".