11812338 has 64 divisors (see below), whose sum is σ = 28656000. Its totient is φ = 3592512.

The previous prime is 11812327. The next prime is 11812343. The reversal of 11812338 is 83321811.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29556 + ... + 29952.

It is an arithmetic number, because the mean of its divisors is an integer number (447750).

Almost surely, 2^11812338 is an apocalyptic number.

11812338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11812338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14328000).

11812338 is an abundant number, since it is smaller than the sum of its proper divisors (16843662).

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

11812338 is a wasteful number, since it uses less digits than its factorization.

11812338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 450 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 11812338 is about 3436.9082036039. The cubic root of 11812338 is about 227.7431317697.

The spelling of 11812338 in words is "eleven million, eight hundred twelve thousand, three hundred thirty-eight".