11980946 has 4 divisors (see below), whose sum is σ = 17971422. Its totient is φ = 5990472.

The previous prime is 11980939. The next prime is 11980981. The reversal of 11980946 is 64908911.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11323225 + 657721 = 3365^2 + 811^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2995235 + ... + 2995238.

Almost surely, 2^11980946 is an apocalyptic number.

11980946 is a deficient number, since it is larger than the sum of its proper divisors (5990476).

11980946 is an equidigital number, since it uses as much as digits as its factorization.

11980946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990475.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 11980946 is about 3461.3503145449. The cubic root of 11980946 is about 228.8216099570.

The spelling of 11980946 in words is "eleven million, nine hundred eighty thousand, nine hundred forty-six".