12028706 has 8 divisors (see below), whose sum is σ = 18246060. Its totient is φ = 5946688.

The previous prime is 12028699. The next prime is 12028739. The reversal of 12028706 is 60782021.

12028706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11526025 + 502681 = 3395^2 + 709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33611 + ... + 33966.

Almost surely, 2^12028706 is an apocalyptic number.

12028706 is a deficient number, since it is larger than the sum of its proper divisors (6217354).

12028706 is an equidigital number, since it uses as much as digits as its factorization.

12028706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67668.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12028706 is about 3468.2424944055. The cubic root of 12028706 is about 229.1252596189.

The spelling of 12028706 in words is "twelve million, twenty-eight thousand, seven hundred six".