12028947 has 8 divisors (see below), whose sum is σ = 18329856. Its totient is φ = 6873672.

The previous prime is 12028943. The next prime is 12028967. The reversal of 12028947 is 74982021.

It is a happy number.

12028947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12028947 - 2² = 12028943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12028943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286383 + ... + 286424.

It is an arithmetic number, because the mean of its divisors is an integer number (2291232).

Almost surely, 2^12028947 is an apocalyptic number.

12028947 is a deficient number, since it is larger than the sum of its proper divisors (6300909).

12028947 is an equidigital number, since it uses as much as digits as its factorization.

12028947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572817.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 12028947 is about 3468.2772380535. The cubic root of 12028947 is about 229.1267898145.

The spelling of 12028947 in words is "twelve million, twenty-eight thousand, nine hundred forty-seven".