12306487 has 12 divisors (see below), whose sum is σ = 13237840. Its totient is φ = 11437056.

The previous prime is 12306479. The next prime is 12306499. The reversal of 12306487 is 78460321.

It is not a de Polignac number, because 12306487 - 2³ = 12306479 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 (12306407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27814 + ... + 28252.

Almost surely, 2^12306487 is an apocalyptic number.

12306487 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12306487 is a deficient number, since it is larger than the sum of its proper divisors (931353).

12306487 is an equidigital number, since it uses as much as digits as its factorization.

12306487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 12306487 is about 3508.0602902459. The cubic root of 12306487 is about 230.8755975155.

The spelling of 12306487 in words is "twelve million, three hundred six thousand, four hundred eighty-seven".