11147812 has 12 divisors (see below), whose sum is σ = 21009436. Its totient is φ = 5145120.

The previous prime is 11147809. The next prime is 11147819. The reversal of 11147812 is 21874111.

It can be written as a sum of positive squares in 2 ways, for example, as 5125696 + 6022116 = 2264^2 + 2454^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11147819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107139 + ... + 107242.

Almost surely, 2^11147812 is an apocalyptic number.

It is an amenable number.

11147812 is a deficient number, since it is larger than the sum of its proper divisors (9861624).

11147812 is a wasteful number, since it uses less digits than its factorization.

11147812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214398 (or 214396 counting only the distinct ones).

The product of its digits is 448, while the sum is 25.

The square root of 11147812 is about 3338.8339281851. The cubic root of 11147812 is about 223.3897345237.

The spelling of 11147812 in words is "eleven million, one hundred forty-seven thousand, eight hundred twelve".