11896988 has 12 divisors (see below), whose sum is σ = 20958672. Its totient is φ = 5908800.

The previous prime is 11896987. The next prime is 11896999. The reversal of 11896988 is 88969811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11896981) by changing a digit.

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, 9245 + ... + 10452.

It is an arithmetic number, because the mean of its divisors is an integer number (1746556).

Almost surely, 2^11896988 is an apocalyptic number.

It is an amenable number.

11896988 is a deficient number, since it is larger than the sum of its proper divisors (9061684).

11896988 is a wasteful number, since it uses less digits than its factorization.

11896988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19852 (or 19850 counting only the distinct ones).

The product of its digits is 248832, while the sum is 50.

The square root of 11896988 is about 3449.2010669139. The cubic root of 11896988 is about 228.2858577244.

The spelling of 11896988 in words is "eleven million, eight hundred ninety-six thousand, nine hundred eighty-eight".