11803953 has 24 divisors (see below), whose sum is σ = 18632160. Its totient is φ = 6625920.

The previous prime is 11803951. The next prime is 11803969. The reversal of 11803953 is 35930811.

It is a happy number.

It is not a de Polignac number, because 11803953 - 2¹ = 11803951 is a prime.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 11803953.

It is not an unprimeable number, because it can be changed into a prime (11803951) 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 23 ways as a sum of consecutive naturals, for example, 7993 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (776340).

Almost surely, 2^11803953 is an apocalyptic number.

It is an amenable number.

11803953 is a deficient number, since it is larger than the sum of its proper divisors (6828207).

11803953 is a wasteful number, since it uses less digits than its factorization.

11803953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 11803953 is about 3435.6881406787. The cubic root of 11803953 is about 227.6892311169.

The spelling of 11803953 in words is "eleven million, eight hundred three thousand, nine hundred fifty-three".