11822814 has 16 divisors (see below), whose sum is σ = 26273040. Its totient is φ = 3940920.

The previous prime is 11822813. The next prime is 11822821. The reversal of 11822814 is 41822811.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11822813) 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, 109417 + ... + 109524.

It is an arithmetic number, because the mean of its divisors is an integer number (1642065).

Almost surely, 2^11822814 is an apocalyptic number.

11822814 is an abundant number, since it is smaller than the sum of its proper divisors (14450226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11822814 is a wasteful number, since it uses less digits than its factorization.

11822814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218952 (or 218946 counting only the distinct ones).

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

The square root of 11822814 is about 3438.4319100427. The cubic root of 11822814 is about 227.8104380074.

The spelling of 11822814 in words is "eleven million, eight hundred twenty-two thousand, eight hundred fourteen".