11663812 has 12 divisors (see below), whose sum is σ = 21070336. Its totient is φ = 5643720.

The previous prime is 11663731. The next prime is 11663837. The reversal of 11663812 is 21836611.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 46908 + ... + 47155.

Almost surely, 2^11663812 is an apocalyptic number.

It is an amenable number.

11663812 is a deficient number, since it is larger than the sum of its proper divisors (9406524).

11663812 is a wasteful number, since it uses less digits than its factorization.

11663812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94098 (or 94096 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 11663812 is about 3415.2323493432. The cubic root of 11663812 is about 226.7845705324.

The spelling of 11663812 in words is "eleven million, six hundred sixty-three thousand, eight hundred twelve".