12038838 has 64 divisors (see below), whose sum is σ = 28950528. Its totient is φ = 3265920.

The previous prime is 12038827. The next prime is 12038861. The reversal of 12038838 is 83883021.

It is a junction number, because it is equal to n+sod(n) for n = 12038799 and 12038808.

It is a congruent 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, 94731 + ... + 94857.

It is an arithmetic number, because the mean of its divisors is an integer number (452352).

Almost surely, 2^12038838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12038838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14475264).

12038838 is an abundant number, since it is smaller than the sum of its proper divisors (16911690).

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

12038838 is a wasteful number, since it uses less digits than its factorization.

12038838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 12038838 is about 3469.7028691229. The cubic root of 12038838 is about 229.1895737028.

The spelling of 12038838 in words is "twelve million, thirty-eight thousand, eight hundred thirty-eight".