11828788 has 6 divisors (see below), whose sum is σ = 20700386. Its totient is φ = 5914392.

The previous prime is 11828779. The next prime is 11828797. The reversal of 11828788 is 88782811.

It is an interprime number because it is at equal distance from previous prime (11828779) and next prime (11828797).

It can be written as a sum of positive squares in only one way, i.e., 8631844 + 3196944 = 2938^2 + 1788^2 .

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 as a sum of consecutive naturals, namely, 1478595 + ... + 1478602.

Almost surely, 2^11828788 is an apocalyptic number.

It is an amenable number.

11828788 is a deficient number, since it is larger than the sum of its proper divisors (8871598).

11828788 is a wasteful number, since it uses less digits than its factorization.

11828788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957201 (or 2957199 counting only the distinct ones).

The product of its digits is 57344, while the sum is 43.

The square root of 11828788 is about 3439.3005102782. The cubic root of 11828788 is about 227.8488019816.

The spelling of 11828788 in words is "eleven million, eight hundred twenty-eight thousand, seven hundred eighty-eight".