11822867 has 8 divisors (see below), whose sum is σ = 13788000. Its totient is φ = 10133592.

The previous prime is 11822857. The next prime is 11822911. The reversal of 11822867 is 76822811.

11822867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11822867 - 2⁸ = 11822611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11822857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16892 + ... + 17577.

It is an arithmetic number, because the mean of its divisors is an integer number (1723500).

Almost surely, 2^11822867 is an apocalyptic number.

11822867 is a deficient number, since it is larger than the sum of its proper divisors (1965133).

11822867 is an frugal number, since it uses more digits than its factorization.

11822867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34490 (or 34476 counting only the distinct ones).

The product of its digits is 10752, while the sum is 35.

The square root of 11822867 is about 3438.4396170356. The cubic root of 11822867 is about 227.8107784208.

The spelling of 11822867 in words is "eleven million, eight hundred twenty-two thousand, eight hundred sixty-seven".