12384487 has 2 divisors, whose sum is σ = 12384488. Its totient is φ = 12384486.

The previous prime is 12384467. The next prime is 12384497. The reversal of 12384487 is 78448321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12384487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12384467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6192243 + 6192244.

It is an arithmetic number, because the mean of its divisors is an integer number (6192244).

Almost surely, 2^12384487 is an apocalyptic number.

12384487 is a deficient number, since it is larger than the sum of its proper divisors (1).

12384487 is an equidigital number, since it uses as much as digits as its factorization.

12384487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 37.

The square root of 12384487 is about 3519.1599849964. The cubic root of 12384487 is about 231.3623430765.

The spelling of 12384487 in words is "twelve million, three hundred eighty-four thousand, four hundred eighty-seven".