12038706 has 56 divisors (see below), whose sum is σ = 28330560. Its totient is φ = 3827736.

The previous prime is 12038693. The next prime is 12038717. The reversal of 12038706 is 60783021.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12038706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 33355 + ... + 33713.

Almost surely, 2^12038706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12038706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14165280).

12038706 is an abundant number, since it is smaller than the sum of its proper divisors (16291854).

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

12038706 is an equidigital number, since it uses as much as digits as its factorization.

12038706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12038706 is about 3469.6838472691. The cubic root of 12038706 is about 229.1887360491.

The spelling of 12038706 in words is "twelve million, thirty-eight thousand, seven hundred six".