11818512 has 30 divisors (see below), whose sum is σ = 33075822. Its totient is φ = 3939456.

The previous prime is 11818511. The next prime is 11818549. The reversal of 11818512 is 21581811.

It can be written as a sum of positive squares in only one way, i.e., 6230016 + 5588496 = 2496^2 + 2364^2 .

It is not an unprimeable number, because it can be changed into a prime (11818511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40893 + ... + 41180.

Almost surely, 2^11818512 is an apocalyptic number.

11818512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11818512 is an abundant number, since it is smaller than the sum of its proper divisors (21257310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11818512 is a wasteful number, since it uses less digits than its factorization.

11818512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82087 (or 82078 counting only the distinct ones).

The product of its digits is 640, while the sum is 27.

The square root of 11818512 is about 3437.8062772646. The cubic root of 11818512 is about 227.7828033174.

The spelling of 11818512 in words is "eleven million, eight hundred eighteen thousand, five hundred twelve".