11680705 has 8 divisors (see below), whose sum is σ = 14038272. Its totient is φ = 9330288.

The previous prime is 11680693. The next prime is 11680727. The reversal of 11680705 is 50708611.

It is a happy number.

11680705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11680705 - 2⁷ = 11680577 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, 2962 + ... + 5668.

It is an arithmetic number, because the mean of its divisors is an integer number (1754784).

Almost surely, 2^11680705 is an apocalyptic number.

It is an amenable number.

11680705 is a deficient number, since it is larger than the sum of its proper divisors (2357567).

11680705 is an equidigital number, since it uses as much as digits as its factorization.

11680705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 11680705 is about 3417.7046390816. The cubic root of 11680705 is about 226.8940037002.

The spelling of 11680705 in words is "eleven million, six hundred eighty thousand, seven hundred five".