12004839 has 48 divisors (see below), whose sum is σ = 22913280. Its totient is φ = 5863680.

The previous prime is 12004829. The next prime is 12004847. The reversal of 12004839 is 93840021.

It is not a de Polignac number, because 12004839 - 2⁵ = 12004807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004829) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11272 + ... + 12290.

It is an arithmetic number, because the mean of its divisors is an integer number (477360).

Almost surely, 2^12004839 is an apocalyptic number.

12004839 is a deficient number, since it is larger than the sum of its proper divisors (10908441).

12004839 is a wasteful number, since it uses less digits than its factorization.

12004839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12004839 is about 3464.7999942277. The cubic root of 12004839 is about 228.9736181096.

The spelling of 12004839 in words is "twelve million, four thousand, eight hundred thirty-nine".