11712812 has 6 divisors (see below), whose sum is σ = 20497428. Its totient is φ = 5856404.

The previous prime is 11712803. The next prime is 11712817. The reversal of 11712812 is 21821711.

11712812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11712817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464098 + ... + 1464105.

It is an arithmetic number, because the mean of its divisors is an integer number (3416238).

Almost surely, 2^11712812 is an apocalyptic number.

It is an amenable number.

11712812 is a deficient number, since it is larger than the sum of its proper divisors (8784616).

11712812 is a wasteful number, since it uses less digits than its factorization.

11712812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928207 (or 2928205 counting only the distinct ones).

The product of its digits is 224, while the sum is 23.

The square root of 11712812 is about 3422.3985740997. The cubic root of 11712812 is about 227.1017029571.

The spelling of 11712812 in words is "eleven million, seven hundred twelve thousand, eight hundred twelve".