12307489 has 8 divisors (see below), whose sum is σ = 12620160. Its totient is φ = 11998896.

The previous prime is 12307487. The next prime is 12307499. The reversal of 12307489 is 98470321.

12307489 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 a cyclic number.

It is not a de Polignac number, because 12307489 - 2¹ = 12307487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12307481) 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, 5619 + ... + 7495.

It is an arithmetic number, because the mean of its divisors is an integer number (1577520).

Almost surely, 2^12307489 is an apocalyptic number.

It is an amenable number.

12307489 is a deficient number, since it is larger than the sum of its proper divisors (312671).

12307489 is an equidigital number, since it uses as much as digits as its factorization.

12307489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12307489 is about 3508.2031013041. The cubic root of 12307489 is about 230.8818633456.

The spelling of 12307489 in words is "twelve million, three hundred seven thousand, four hundred eighty-nine".