11990966 has 8 divisors (see below), whose sum is σ = 19370064. Its totient is φ = 5534280.

The previous prime is 11990963. The next prime is 11990971. The reversal of 11990966 is 66909911.

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

It is a super-2 number, since 2×11990966² = 287566531226312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230570 + ... + 230621.

It is an arithmetic number, because the mean of its divisors is an integer number (2421258).

Almost surely, 2^11990966 is an apocalyptic number.

11990966 is a deficient number, since it is larger than the sum of its proper divisors (7379098).

11990966 is a wasteful number, since it uses less digits than its factorization.

11990966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461206.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 11990966 is about 3462.7974240489. The cubic root of 11990966 is about 228.8853821515.

The spelling of 11990966 in words is "eleven million, nine hundred ninety thousand, nine hundred sixty-six".