11998596 has 12 divisors (see below), whose sum is σ = 27996752. Its totient is φ = 3999528.

The previous prime is 11998589. The next prime is 11998601. The reversal of 11998596 is 69589911.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499930 + ... + 499953.

Almost surely, 2^11998596 is an apocalyptic number.

It is an amenable number.

11998596 is an abundant number, since it is smaller than the sum of its proper divisors (15998156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11998596 is a wasteful number, since it uses less digits than its factorization.

11998596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999890 (or 999888 counting only the distinct ones).

The product of its digits is 174960, while the sum is 48.

The square root of 11998596 is about 3463.8989592654. The cubic root of 11998596 is about 228.9339193913.

The spelling of 11998596 in words is "eleven million, nine hundred ninety-eight thousand, five hundred ninety-six".