11812312 has 8 divisors (see below), whose sum is σ = 22148100. Its totient is φ = 5906152.

The previous prime is 11812291. The next prime is 11812327. The reversal of 11812312 is 21321811.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 11812312.

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, 738262 + ... + 738277.

Almost surely, 2^11812312 is an apocalyptic number.

It is an amenable number.

11812312 is a deficient number, since it is larger than the sum of its proper divisors (10335788).

11812312 is a wasteful number, since it uses less digits than its factorization.

11812312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476545 (or 1476541 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

The square root of 11812312 is about 3436.9044211325. The cubic root of 11812312 is about 227.7429646753.

The spelling of 11812312 in words is "eleven million, eight hundred twelve thousand, three hundred twelve".