11953946 has 8 divisors (see below), whose sum is σ = 18132660. Its totient is φ = 5909728.

The previous prime is 11953937. The next prime is 11953961. The reversal of 11953946 is 64935911.

It can be written as a sum of positive squares in 2 ways, for example, as 9517225 + 2436721 = 3085^2 + 1561^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33401 + ... + 33756.

Almost surely, 2^11953946 is an apocalyptic number.

11953946 is a deficient number, since it is larger than the sum of its proper divisors (6178714).

11953946 is an equidigital number, since it uses as much as digits as its factorization.

11953946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67248.

The product of its digits is 29160, while the sum is 38.

The square root of 11953946 is about 3457.4479027167. The cubic root of 11953946 is about 228.6495915345.

The spelling of 11953946 in words is "eleven million, nine hundred fifty-three thousand, nine hundred forty-six".