11788388 has 6 divisors (see below), whose sum is σ = 20629686. Its totient is φ = 5894192.

The previous prime is 11788373. The next prime is 11788391. The reversal of 11788388 is 88388711.

It can be written as a sum of positive squares in only one way, i.e., 11437924 + 350464 = 3382^2 + 592^2 .

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 as a sum of consecutive naturals, namely, 1473545 + ... + 1473552.

It is an arithmetic number, because the mean of its divisors is an integer number (3438281).

Almost surely, 2^11788388 is an apocalyptic number.

It is an amenable number.

11788388 is a deficient number, since it is larger than the sum of its proper divisors (8841298).

11788388 is a wasteful number, since it uses less digits than its factorization.

11788388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947101 (or 2947099 counting only the distinct ones).

The product of its digits is 86016, while the sum is 44.

The square root of 11788388 is about 3433.4221994972. The cubic root of 11788388 is about 227.5891081114.

The spelling of 11788388 in words is "eleven million, seven hundred eighty-eight thousand, three hundred eighty-eight".