11906543 has 8 divisors (see below), whose sum is σ = 13063680. Its totient is φ = 10761880.

The previous prime is 11906539. The next prime is 11906551. The reversal of 11906543 is 34560911.

11906543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11906543 - 2² = 11906539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11906243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055 + ... + 4992.

It is an arithmetic number, because the mean of its divisors is an integer number (1632960).

Almost surely, 2^11906543 is an apocalyptic number.

11906543 is a deficient number, since it is larger than the sum of its proper divisors (1157137).

11906543 is a wasteful number, since it uses less digits than its factorization.

11906543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6237.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 11906543 is about 3450.5858922797. The cubic root of 11906543 is about 228.3469568774.

The spelling of 11906543 in words is "eleven million, nine hundred six thousand, five hundred forty-three".