11573946 has 12 divisors (see below), whose sum is σ = 25076922. Its totient is φ = 3857976.

The previous prime is 11573941. The next prime is 11573951. The reversal of 11573946 is 64937511.

11573946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11573941) and next prime (11573951).

It can be written as a sum of positive squares in only one way, i.e., 10169721 + 1404225 = 3189^2 + 1185^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11573946.

It is not an unprimeable number, because it can be changed into a prime (11573941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321481 + ... + 321516.

Almost surely, 2^11573946 is an apocalyptic number.

11573946 is an abundant number, since it is smaller than the sum of its proper divisors (13502976).

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

11573946 is a wasteful number, since it uses less digits than its factorization.

11573946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643005 (or 643002 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 11573946 is about 3402.0502641789. The cubic root of 11573946 is about 226.2006336948.

The spelling of 11573946 in words is "eleven million, five hundred seventy-three thousand, nine hundred forty-six".