11628988 has 24 divisors (see below), whose sum is σ = 24483200. Its totient is φ = 4721328.

The previous prime is 11628941. The next prime is 11628997. The reversal of 11628988 is 88982611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10398 + ... + 11461.

Almost surely, 2^11628988 is an apocalyptic number.

It is an amenable number.

11628988 is an abundant number, since it is smaller than the sum of its proper divisors (12854212).

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

11628988 is a wasteful number, since it uses less digits than its factorization.

11628988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21889 (or 21887 counting only the distinct ones).

The product of its digits is 55296, while the sum is 43.

The square root of 11628988 is about 3410.1302027928. The cubic root of 11628988 is about 226.5586461461.

The spelling of 11628988 in words is "eleven million, six hundred twenty-eight thousand, nine hundred eighty-eight".