11803945 has 8 divisors (see below), whose sum is σ = 14780736. Its totient is φ = 9032496.

The previous prime is 11803931. The next prime is 11803949. The reversal of 11803945 is 54930811.

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 11803945 - 2⁷ = 11803817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11803949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51207 + ... + 51436.

It is an arithmetic number, because the mean of its divisors is an integer number (1847592).

Almost surely, 2^11803945 is an apocalyptic number.

It is an amenable number.

11803945 is a deficient number, since it is larger than the sum of its proper divisors (2976791).

11803945 is a wasteful number, since it uses less digits than its factorization.

11803945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102671.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 11803945 is about 3435.6869764284. The cubic root of 11803945 is about 227.6891796789.

The spelling of 11803945 in words is "eleven million, eight hundred three thousand, nine hundred forty-five".