11959946 has 16 divisors (see below), whose sum is σ = 18514440. Its totient is φ = 5790720.

The previous prime is 11959939. The next prime is 11959951. The reversal of 11959946 is 64995911.

It can be written as a sum of positive squares in 4 ways, for example, as 2418025 + 9541921 = 1555^2 + 3089^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11959897 and 11959906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12410 + ... + 13338.

Almost surely, 2^11959946 is an apocalyptic number.

11959946 is a deficient number, since it is larger than the sum of its proper divisors (6554494).

11959946 is a wasteful number, since it uses less digits than its factorization.

11959946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129.

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

The square root of 11959946 is about 3458.3154858977. The cubic root of 11959946 is about 228.6878402177.

The spelling of 11959946 in words is "eleven million, nine hundred fifty-nine thousand, nine hundred forty-six".