11963966 has 8 divisors (see below), whose sum is σ = 20509680. Its totient is φ = 5127408.

The previous prime is 11963957. The next prime is 11963969. The reversal of 11963966 is 66936911.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11963969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427271 + ... + 427298.

It is an arithmetic number, because the mean of its divisors is an integer number (2563710).

Almost surely, 2^11963966 is an apocalyptic number.

11963966 is a deficient number, since it is larger than the sum of its proper divisors (8545714).

11963966 is an equidigital number, since it uses as much as digits as its factorization.

11963966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854578.

The product of its digits is 52488, while the sum is 41.

The square root of 11963966 is about 3458.8966448855. The cubic root of 11963966 is about 228.7134596794.

The spelling of 11963966 in words is "eleven million, nine hundred sixty-three thousand, nine hundred sixty-six".