12302989 has 6 divisors (see below), whose sum is σ = 12742730. Its totient is φ = 11877936.

The previous prime is 12302977. The next prime is 12303017. The reversal of 12302989 is 98920321.

It can be written as a sum of positive squares in 3 ways, for example, as 708964 + 11594025 = 842^2 + 3405^2 .

It is not a de Polignac number, because 12302989 - 2⁵ = 12302957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6474 + ... + 8155.

Almost surely, 2^12302989 is an apocalyptic number.

It is an amenable number.

12302989 is a deficient number, since it is larger than the sum of its proper divisors (439741).

12302989 is an equidigital number, since it uses as much as digits as its factorization.

12302989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14687 (or 14658 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 12302989 is about 3507.5616886949. The cubic root of 12302989 is about 230.8537207235.

The spelling of 12302989 in words is "twelve million, three hundred two thousand, nine hundred eighty-nine".