11860805 has 16 divisors (see below), whose sum is σ = 15595200. Its totient is φ = 8588160.

The previous prime is 11860789. The next prime is 11860811. The reversal of 11860805 is 50806811.

It is not a de Polignac number, because 11860805 - 2⁴ = 11860789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20561 + ... + 21129.

It is an arithmetic number, because the mean of its divisors is an integer number (974700).

Almost surely, 2^11860805 is an apocalyptic number.

It is an amenable number.

11860805 is a deficient number, since it is larger than the sum of its proper divisors (3734395).

11860805 is a wasteful number, since it uses less digits than its factorization.

11860805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 11860805 is about 3443.9519450771. The cubic root of 11860805 is about 228.0541896946.

The spelling of 11860805 in words is "eleven million, eight hundred sixty thousand, eight hundred five".