11543668 has 6 divisors (see below), whose sum is σ = 20201426. Its totient is φ = 5771832.

The previous prime is 11543657. The next prime is 11543681. The reversal of 11543668 is 86634511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8054244 + 3489424 = 2838^2 + 1868^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442955 + ... + 1442962.

Almost surely, 2^11543668 is an apocalyptic number.

It is an amenable number.

11543668 is a deficient number, since it is larger than the sum of its proper divisors (8657758).

11543668 is a wasteful number, since it uses less digits than its factorization.

11543668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885921 (or 2885919 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 11543668 is about 3397.5973863894. The cubic root of 11543668 is about 226.0032108558.

The spelling of 11543668 in words is "eleven million, five hundred forty-three thousand, six hundred sixty-eight".