11687628 has 24 divisors (see below), whose sum is σ = 27353088. Its totient is φ = 3884176.

The previous prime is 11687591. The next prime is 11687629. The reversal of 11687628 is 82678611.

11687628 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 not an unprimeable number, because it can be changed into a prime (11687629) 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, 3325 + ... + 5867.

It is an arithmetic number, because the mean of its divisors is an integer number (1139712).

Almost surely, 2^11687628 is an apocalyptic number.

It is an amenable number.

11687628 is an abundant number, since it is smaller than the sum of its proper divisors (15665460).

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

11687628 is a wasteful number, since it uses less digits than its factorization.

11687628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933 (or 2931 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 11687628 is about 3418.7173033171. The cubic root of 11687628 is about 226.9388205431.

The spelling of 11687628 in words is "eleven million, six hundred eighty-seven thousand, six hundred twenty-eight".