11543956 has 12 divisors (see below), whose sum is σ = 20265280. Its totient is φ = 5753880.

The previous prime is 11543947. The next prime is 11543957. The reversal of 11543956 is 65934511.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543957) 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, 3036 + ... + 5683.

Almost surely, 2^11543956 is an apocalyptic number.

It is an amenable number.

11543956 is a deficient number, since it is larger than the sum of its proper divisors (8721324).

11543956 is a wasteful number, since it uses less digits than its factorization.

11543956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054 (or 9052 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 11543956 is about 3397.6397690161. The cubic root of 11543956 is about 226.0050903388.

The spelling of 11543956 in words is "eleven million, five hundred forty-three thousand, nine hundred fifty-six".