11822988 has 24 divisors (see below), whose sum is σ = 27731200. Its totient is φ = 3920400.

The previous prime is 11822977. The next prime is 11823011. The reversal of 11822988 is 88922811.

11822988 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88 + ... + 4863.

Almost surely, 2^11822988 is an apocalyptic number.

It is an amenable number.

11822988 is an abundant number, since it is smaller than the sum of its proper divisors (15908212).

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

11822988 is a wasteful number, since it uses less digits than its factorization.

11822988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157 (or 5155 counting only the distinct ones).

The product of its digits is 18432, while the sum is 39.

The square root of 11822988 is about 3438.4572121811. The cubic root of 11822988 is about 227.8115555874.

The spelling of 11822988 in words is "eleven million, eight hundred twenty-two thousand, nine hundred eighty-eight".