11773971 has 32 divisors (see below), whose sum is σ = 19699200. Its totient is φ = 6884640.

The previous prime is 11773969. The next prime is 11773987. The reversal of 11773971 is 17937711.

It is not a de Polignac number, because 11773971 - 2¹ = 11773969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11773921) 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 31 ways as a sum of consecutive naturals, for example, 7930 + ... + 9296.

It is an arithmetic number, because the mean of its divisors is an integer number (615600).

Almost surely, 2^11773971 is an apocalyptic number.

11773971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11773971 is a deficient number, since it is larger than the sum of its proper divisors (7925229).

11773971 is a wasteful number, since it uses less digits than its factorization.

11773971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1410 counting only the distinct ones).

The product of its digits is 9261, while the sum is 36.

The square root of 11773971 is about 3431.3220484239. The cubic root of 11773971 is about 227.4962910477.

It can be divided in two parts, 117 and 73971, that added together give a cube (74088 = 42³).

The spelling of 11773971 in words is "eleven million, seven hundred seventy-three thousand, nine hundred seventy-one".