11840845 has 16 divisors (see below), whose sum is σ = 14837760. Its totient is φ = 9059904.

The previous prime is 11840833. The next prime is 11840861. The reversal of 11840845 is 54804811.

It is a cyclic number.

It is not a de Polignac number, because 11840845 - 2⁵ = 11840813 is a prime.

It is a super-2 number, since 2×11840845² = 280411220628050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 18094 + ... + 18736.

It is an arithmetic number, because the mean of its divisors is an integer number (927360).

Almost surely, 2^11840845 is an apocalyptic number.

It is an amenable number.

11840845 is a deficient number, since it is larger than the sum of its proper divisors (2996915).

11840845 is a wasteful number, since it uses less digits than its factorization.

11840845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 11840845 is about 3441.0528911948. The cubic root of 11840845 is about 227.9261905848.

The spelling of 11840845 in words is "eleven million, eight hundred forty thousand, eight hundred forty-five".