11759947 has 4 divisors (see below), whose sum is σ = 11779216. Its totient is φ = 11740680.

The previous prime is 11759927. The next prime is 11759959. The reversal of 11759947 is 74995711.

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

It is a cyclic number.

It is not a de Polignac number, because 11759947 - 2¹⁵ = 11727179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11759927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8688 + ... + 9949.

It is an arithmetic number, because the mean of its divisors is an integer number (2944804).

Almost surely, 2^11759947 is an apocalyptic number.

11759947 is a deficient number, since it is larger than the sum of its proper divisors (19269).

11759947 is an equidigital number, since it uses as much as digits as its factorization.

11759947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19268.

The product of its digits is 79380, while the sum is 43.

The square root of 11759947 is about 3429.2779123308. The cubic root of 11759947 is about 227.4059314025.

The spelling of 11759947 in words is "eleven million, seven hundred fifty-nine thousand, nine hundred forty-seven".