12385287 has 12 divisors (see below), whose sum is σ = 17991064. Its totient is φ = 8210160.

The previous prime is 12385279. The next prime is 12385297. The reversal of 12385287 is 78258321.

12385287 is a `hidden beast` number, since 123 + 8 + 528 + 7 = 666.

It is not a de Polignac number, because 12385287 - 2³ = 12385279 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12385267) 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, 2173 + ... + 5430.

Almost surely, 2^12385287 is an apocalyptic number.

12385287 is a deficient number, since it is larger than the sum of its proper divisors (5605777).

12385287 is a wasteful number, since it uses less digits than its factorization.

12385287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790 (or 7787 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 12385287 is about 3519.2736466493. The cubic root of 12385287 is about 231.3673247360.

The spelling of 12385287 in words is "twelve million, three hundred eighty-five thousand, two hundred eighty-seven".