11533668 has 12 divisors (see below), whose sum is σ = 26911920. Its totient is φ = 3844552.

The previous prime is 11533663. The next prime is 11533673. The reversal of 11533668 is 86633511.

It is an interprime number because it is at equal distance from previous prime (11533663) and next prime (11533673).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11533663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480558 + ... + 480581.

It is an arithmetic number, because the mean of its divisors is an integer number (2242660).

Almost surely, 2^11533668 is an apocalyptic number.

It is an amenable number.

11533668 is an abundant number, since it is smaller than the sum of its proper divisors (15378252).

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

11533668 is a wasteful number, since it uses less digits than its factorization.

11533668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961146 (or 961144 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 11533668 is about 3396.1254393794. The cubic root of 11533668 is about 225.9379316330.

The spelling of 11533668 in words is "eleven million, five hundred thirty-three thousand, six hundred sixty-eight".