11822841 has 20 divisors (see below), whose sum is σ = 17766672. Its totient is φ = 7834968.

The previous prime is 11822821. The next prime is 11822857. The reversal of 11822841 is 14822811.

It is not a de Polignac number, because 11822841 - 2⁵ = 11822809 is a prime.

It is a super-2 number, since 2×11822841² = 279559138622562, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11822821) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18066 + ... + 18708.

Almost surely, 2^11822841 is an apocalyptic number.

It is an amenable number.

11822841 is a deficient number, since it is larger than the sum of its proper divisors (5943831).

11822841 is an equidigital number, since it uses as much as digits as its factorization.

11822841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 873 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 11822841 is about 3438.4358362488. The cubic root of 11822841 is about 227.8106114257.

The spelling of 11822841 in words is "eleven million, eight hundred twenty-two thousand, eight hundred forty-one".