11855882 has 4 divisors (see below), whose sum is σ = 17783826. Its totient is φ = 5927940.

The previous prime is 11855881. The next prime is 11855903. The reversal of 11855882 is 28855811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10817521 + 1038361 = 3289^2 + 1019^2 .

It is not an unprimeable number, because it can be changed into a prime (11855881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2963969 + ... + 2963972.

Almost surely, 2^11855882 is an apocalyptic number.

11855882 is a deficient number, since it is larger than the sum of its proper divisors (5927944).

11855882 is an equidigital number, since it uses as much as digits as its factorization.

11855882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5927943.

The product of its digits is 25600, while the sum is 38.

The square root of 11855882 is about 3443.2371396696. The cubic root of 11855882 is about 228.0226329230.

The spelling of 11855882 in words is "eleven million, eight hundred fifty-five thousand, eight hundred eighty-two".