11966506 has 8 divisors (see below), whose sum is σ = 18387684. Its totient is φ = 5837280.

The previous prime is 11966497. The next prime is 11966543. The reversal of 11966506 is 60566911.

It can be written as a sum of positive squares in 2 ways, for example, as 11840481 + 126025 = 3441^2 + 355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72885 + ... + 73048.

Almost surely, 2^11966506 is an apocalyptic number.

11966506 is a deficient number, since it is larger than the sum of its proper divisors (6421178).

11966506 is a wasteful number, since it uses less digits than its factorization.

11966506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145976.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 11966506 is about 3459.2637945089. The cubic root of 11966506 is about 228.7296441420.

The spelling of 11966506 in words is "eleven million, nine hundred sixty-six thousand, five hundred six".