11887730 has 48 divisors (see below), whose sum is σ = 23454360. Its totient is φ = 4333824.

The previous prime is 11887727. The next prime is 11887747. The reversal of 11887730 is 3778811.

11887730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10067929 + 1819801 = 3173^2 + 1349^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133526 + ... + 133614.

Almost surely, 2^11887730 is an apocalyptic number.

11887730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11887730 is a deficient number, since it is larger than the sum of its proper divisors (11566630).

11887730 is a wasteful number, since it uses less digits than its factorization.

11887730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 11887730 is about 3447.8587558077. The cubic root of 11887730 is about 228.2266265159.

The spelling of 11887730 in words is "eleven million, eight hundred eighty-seven thousand, seven hundred thirty".