11211946 has 8 divisors (see below), whose sum is σ = 16833024. Its totient is φ = 5600940.

The previous prime is 11211923. The next prime is 11211961. The reversal of 11211946 is 64911211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11211946.

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 in 3 ways as a sum of consecutive naturals, for example, 1641 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (2104128).

Almost surely, 2^11211946 is an apocalyptic number.

11211946 is a deficient number, since it is larger than the sum of its proper divisors (5621078).

11211946 is a wasteful number, since it uses less digits than its factorization.

11211946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036.

The product of its digits is 432, while the sum is 25.

The square root of 11211946 is about 3348.4244055974. The cubic root of 11211946 is about 223.8173069257.

The spelling of 11211946 in words is "eleven million, two hundred eleven thousand, nine hundred forty-six".