11812424 has 24 divisors (see below), whose sum is σ = 23985810. Its totient is φ = 5451264.

The previous prime is 11812403. The next prime is 11812459. The reversal of 11812424 is 42421811.

It can be written as a sum of positive squares in 3 ways, for example, as 5207524 + 6604900 = 2282^2 + 2570^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11812424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3017 + ... + 5720.

Almost surely, 2^11812424 is an apocalyptic number.

It is an amenable number.

11812424 is an abundant number, since it is smaller than the sum of its proper divisors (12173386).

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

11812424 is a wasteful number, since it uses less digits than its factorization.

11812424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769 (or 8752 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 11812424 is about 3436.9207148260. The cubic root of 11812424 is about 227.7436844647.

The spelling of 11812424 in words is "eleven million, eight hundred twelve thousand, four hundred twenty-four".