12386457 has 12 divisors (see below), whose sum is σ = 17934384. Its totient is φ = 8237880.

The previous prime is 12386449. The next prime is 12386467. The reversal of 12386457 is 75468321.

12386457 is a `hidden beast` number, since 1 + 2 + 3 + 8 + 645 + 7 = 666.

It is not a de Polignac number, because 12386457 - 2³ = 12386449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12386467) 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, 3018 + ... + 5820.

It is an arithmetic number, because the mean of its divisors is an integer number (1494532).

Almost surely, 2^12386457 is an apocalyptic number.

It is an amenable number.

12386457 is a deficient number, since it is larger than the sum of its proper divisors (5547927).

12386457 is a wasteful number, since it uses less digits than its factorization.

12386457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 3297 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 12386457 is about 3519.4398702066. The cubic root of 12386457 is about 231.3746100266.

The spelling of 12386457 in words is "twelve million, three hundred eighty-six thousand, four hundred fifty-seven".