11543996 has 12 divisors (see below), whose sum is σ = 20262648. Its totient is φ = 5754672.

The previous prime is 11543993. The next prime is 11544007. The reversal of 11543996 is 69934511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543993) by changing a digit.

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, 2771 + ... + 5546.

It is an arithmetic number, because the mean of its divisors is an integer number (1688554).

Almost surely, 2^11543996 is an apocalyptic number.

It is an amenable number.

11543996 is a deficient number, since it is larger than the sum of its proper divisors (8718652).

11543996 is a wasteful number, since it uses less digits than its factorization.

11543996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8668 (or 8666 counting only the distinct ones).

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

The square root of 11543996 is about 3397.6456554503. The cubic root of 11543996 is about 226.0053513756.

The spelling of 11543996 in words is "eleven million, five hundred forty-three thousand, nine hundred ninety-six".