11968791 has 8 divisors (see below), whose sum is σ = 15976704. Its totient is φ = 7970040.

The previous prime is 11968777. The next prime is 11968819. The reversal of 11968791 is 19786911.

11968791 is digitally balanced in base 2 and base 3, because in such bases 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 not a de Polignac number, because 11968791 - 2¹¹ = 11966743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11968721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810 + ... + 5216.

It is an arithmetic number, because the mean of its divisors is an integer number (1997088).

Almost surely, 2^11968791 is an apocalyptic number.

11968791 is a deficient number, since it is larger than the sum of its proper divisors (4007913).

11968791 is a wasteful number, since it uses less digits than its factorization.

11968791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581.

The product of its digits is 27216, while the sum is 42.

The square root of 11968791 is about 3459.5940513303. The cubic root of 11968791 is about 228.7442018298.

The spelling of 11968791 in words is "eleven million, nine hundred sixty-eight thousand, seven hundred ninety-one".