11896191 has 24 divisors (see below), whose sum is σ = 17830176. Its totient is φ = 7637760.

The previous prime is 11896139. The next prime is 11896193. The reversal of 11896191 is 19169811.

It is not a de Polignac number, because 11896191 - 2⁶ = 11896127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11896193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37851 + ... + 38163.

It is an arithmetic number, because the mean of its divisors is an integer number (742924).

Almost surely, 2^11896191 is an apocalyptic number.

11896191 is a deficient number, since it is larger than the sum of its proper divisors (5933985).

11896191 is a wasteful number, since it uses less digits than its factorization.

11896191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 460 counting only the distinct ones).

The product of its digits is 3888, while the sum is 36.

The square root of 11896191 is about 3449.0855309777. The cubic root of 11896191 is about 228.2807598544.

The spelling of 11896191 in words is "eleven million, eight hundred ninety-six thousand, one hundred ninety-one".