11191996 has 6 divisors (see below), whose sum is σ = 19586000. Its totient is φ = 5595996.

The previous prime is 11191993. The next prime is 11192003. The reversal of 11191996 is 69919111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11191991) 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 as a sum of consecutive naturals, namely, 1398996 + ... + 1399003.

Almost surely, 2^11191996 is an apocalyptic number.

It is an amenable number.

11191996 is a deficient number, since it is larger than the sum of its proper divisors (8394004).

11191996 is a wasteful number, since it uses less digits than its factorization.

11191996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798003 (or 2798001 counting only the distinct ones).

The product of its digits is 4374, while the sum is 37.

The square root of 11191996 is about 3345.4440661891. Note that the first 3 decimals coincide. The cubic root of 11191996 is about 223.6844781775.

The spelling of 11191996 in words is "eleven million, one hundred ninety-one thousand, nine hundred ninety-six".