11800471 has 4 divisors (see below), whose sum is σ = 11807344. Its totient is φ = 11793600.

The previous prime is 11800469. The next prime is 11800487. The reversal of 11800471 is 17400811.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11800471 - 2¹ = 11800469 is a prime.

It is a super-3 number, since 3×11800471³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11800441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1606 + ... + 5116.

It is an arithmetic number, because the mean of its divisors is an integer number (2951836).

Almost surely, 2^11800471 is an apocalyptic number.

11800471 is a deficient number, since it is larger than the sum of its proper divisors (6873).

11800471 is an equidigital number, since it uses as much as digits as its factorization.

11800471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6872.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 11800471 is about 3435.1813634800. The cubic root of 11800471 is about 227.6668405423. Note that the first 3 decimals are identical.

The spelling of 11800471 in words is "eleven million, eight hundred thousand, four hundred seventy-one".