12046889 has 4 divisors (see below), whose sum is σ = 12055380. Its totient is φ = 12038400.

The previous prime is 12046883. The next prime is 12046913. The reversal of 12046889 is 98864021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98864021 = 71 ⋅1392451.

It can be written as a sum of positive squares in 2 ways, for example, as 5721664 + 6325225 = 2392^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 12046889 - 2⁸ = 12046633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12046883) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1544 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (3013845).

Almost surely, 2^12046889 is an apocalyptic number.

It is an amenable number.

12046889 is a deficient number, since it is larger than the sum of its proper divisors (8491).

12046889 is an equidigital number, since it uses as much as digits as its factorization.

12046889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 12046889 is about 3470.8628610189. The cubic root of 12046889 is about 229.2406526658.

The spelling of 12046889 in words is "twelve million, forty-six thousand, eight hundred eighty-nine".