11840945 has 8 divisors (see below), whose sum is σ = 14511744. Its totient is φ = 9271024.

The previous prime is 11840911. The next prime is 11840951. The reversal of 11840945 is 54904811.

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 11840945 - 2²² = 7646641 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 24959 + ... + 25428.

It is an arithmetic number, because the mean of its divisors is an integer number (1813968).

Almost surely, 2^11840945 is an apocalyptic number.

It is an amenable number.

11840945 is a deficient number, since it is larger than the sum of its proper divisors (2670799).

11840945 is an equidigital number, since it uses as much as digits as its factorization.

11840945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50439.

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

The square root of 11840945 is about 3441.0674216005. The cubic root of 11840945 is about 227.9268322213.

The spelling of 11840945 in words is "eleven million, eight hundred forty thousand, nine hundred forty-five".