11907543 has 4 divisors (see below), whose sum is σ = 15876728. Its totient is φ = 7938360.

The previous prime is 11907529. The next prime is 11907559. The reversal of 11907543 is 34570911.

11907543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11907543 - 2⁴ = 11907527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11907543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11907593) 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, 1984588 + ... + 1984593.

It is an arithmetic number, because the mean of its divisors is an integer number (3969182).

Almost surely, 2^11907543 is an apocalyptic number.

11907543 is a deficient number, since it is larger than the sum of its proper divisors (3969185).

11907543 is an equidigital number, since it uses as much as digits as its factorization.

11907543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969184.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 11907543 is about 3450.7307921656. The cubic root of 11907543 is about 228.3533494568.

The spelling of 11907543 in words is "eleven million, nine hundred seven thousand, five hundred forty-three".