11995964 has 6 divisors (see below), whose sum is σ = 20992944. Its totient is φ = 5997980.

The previous prime is 11995961. The next prime is 11995981. The reversal of 11995964 is 46959911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11995961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499492 + ... + 1499499.

It is an arithmetic number, because the mean of its divisors is an integer number (3498824).

Almost surely, 2^11995964 is an apocalyptic number.

It is an amenable number.

11995964 is a deficient number, since it is larger than the sum of its proper divisors (8996980).

11995964 is a wasteful number, since it uses less digits than its factorization.

11995964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998995 (or 2998993 counting only the distinct ones).

The product of its digits is 87480, while the sum is 44.

The square root of 11995964 is about 3463.5190197255. The cubic root of 11995964 is about 228.9171785954.

The spelling of 11995964 in words is "eleven million, nine hundred ninety-five thousand, nine hundred sixty-four".