11969946 has 12 divisors (see below), whose sum is σ = 25934922. Its totient is φ = 3989976.

The previous prime is 11969941. The next prime is 11969963. The reversal of 11969946 is 64996911.

It can be written as a sum of positive squares in only one way, i.e., 6702921 + 5267025 = 2589^2 + 2295^2 .

It is not an unprimeable number, because it can be changed into a prime (11969941) 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 in 5 ways as a sum of consecutive naturals, for example, 332481 + ... + 332516.

Almost surely, 2^11969946 is an apocalyptic number.

11969946 is an abundant number, since it is smaller than the sum of its proper divisors (13964976).

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

11969946 is a wasteful number, since it uses less digits than its factorization.

11969946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665005 (or 665002 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 11969946 is about 3459.7609744027. The cubic root of 11969946 is about 228.7515596060.

The spelling of 11969946 in words is "eleven million, nine hundred sixty-nine thousand, nine hundred forty-six".