12982387 has 8 divisors (see below), whose sum is σ = 14464512. Its totient is φ = 11550600.

The previous prime is 12982381. The next prime is 12982427. The reversal of 12982387 is 78328921.

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 12982387 - 2³ = 12982379 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (12982381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12039 + ... + 13072.

It is an arithmetic number, because the mean of its divisors is an integer number (1808064).

Almost surely, 2^12982387 is an apocalyptic number.

12982387 is a deficient number, since it is larger than the sum of its proper divisors (1482125).

12982387 is a wasteful number, since it uses less digits than its factorization.

12982387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25169.

The product of its digits is 48384, while the sum is 40.

The square root of 12982387 is about 3603.1079639667. The cubic root of 12982387 is about 235.0272308870.

The spelling of 12982387 in words is "twelve million, nine hundred eighty-two thousand, three hundred eighty-seven".