11996788 has 12 divisors (see below), whose sum is σ = 21048580. Its totient is φ = 5982912.

The previous prime is 11996773. The next prime is 11996791. The reversal of 11996788 is 88769911.

It can be written as a sum of positive squares in 2 ways, for example, as 4717584 + 7279204 = 2172^2 + 2698^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2031 + ... + 5302.

Almost surely, 2^11996788 is an apocalyptic number.

It is an amenable number.

11996788 is a deficient number, since it is larger than the sum of its proper divisors (9051792).

11996788 is a wasteful number, since it uses less digits than its factorization.

11996788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7746 (or 7744 counting only the distinct ones).

The product of its digits is 217728, while the sum is 49.

The square root of 11996788 is about 3463.6379718441. The cubic root of 11996788 is about 228.9224198982.

The spelling of 11996788 in words is "eleven million, nine hundred ninety-six thousand, seven hundred eighty-eight".