11787812 has 12 divisors (see below), whose sum is σ = 21294336. Its totient is φ = 5703720.

The previous prime is 11787767. The next prime is 11787857. The reversal of 11787812 is 21878711.

It is an interprime number because it is at equal distance from previous prime (11787767) and next prime (11787857).

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, 47408 + ... + 47655.

It is an arithmetic number, because the mean of its divisors is an integer number (1774528).

Almost surely, 2^11787812 is an apocalyptic number.

It is an amenable number.

11787812 is a deficient number, since it is larger than the sum of its proper divisors (9506524).

11787812 is a wasteful number, since it uses less digits than its factorization.

11787812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95098 (or 95096 counting only the distinct ones).

The product of its digits is 6272, while the sum is 35.

The square root of 11787812 is about 3433.3383171485. The cubic root of 11787812 is about 227.5854012585.

The spelling of 11787812 in words is "eleven million, seven hundred eighty-seven thousand, eight hundred twelve".