11888628 has 12 divisors (see below), whose sum is σ = 27740160. Its totient is φ = 3962872.

The previous prime is 11888599. The next prime is 11888633. The reversal of 11888628 is 82688811.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11888628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495348 + ... + 495371.

It is an arithmetic number, because the mean of its divisors is an integer number (2311680).

Almost surely, 2^11888628 is an apocalyptic number.

It is an amenable number.

11888628 is an abundant number, since it is smaller than the sum of its proper divisors (15851532).

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

11888628 is a wasteful number, since it uses less digits than its factorization.

11888628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990726 (or 990724 counting only the distinct ones).

The product of its digits is 49152, while the sum is 42.

The square root of 11888628 is about 3447.9889791007. The cubic root of 11888628 is about 228.2323731233.

The spelling of 11888628 in words is "eleven million, eight hundred eighty-eight thousand, six hundred twenty-eight".