11668530 has 32 divisors (see below), whose sum is σ = 28289088. Its totient is φ = 3080000.

The previous prime is 11668513. The next prime is 11668541. The reversal of 11668530 is 3586611.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105 + ... + 4955.

It is an arithmetic number, because the mean of its divisors is an integer number (884034).

Almost surely, 2^11668530 is an apocalyptic number.

11668530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11668530 is an abundant number, since it is smaller than the sum of its proper divisors (16620558).

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

11668530 is a wasteful number, since it uses less digits than its factorization.

11668530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 11668530 is about 3415.9230085000. The cubic root of 11668530 is about 226.8151444525.

The spelling of 11668530 in words is "eleven million, six hundred sixty-eight thousand, five hundred thirty".