12411987 has 16 divisors (see below), whose sum is σ = 19000320. Its totient is φ = 7060032.

The previous prime is 12411979. The next prime is 12412013. The reversal of 12411987 is 78911421.

It is not a de Polignac number, because 12411987 - 2³ = 12411979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12411937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3783 + ... + 6255.

It is an arithmetic number, because the mean of its divisors is an integer number (1187520).

Almost surely, 2^12411987 is an apocalyptic number.

12411987 is a deficient number, since it is larger than the sum of its proper divisors (6588333).

12411987 is a wasteful number, since it uses less digits than its factorization.

12411987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722.

The product of its digits is 4032, while the sum is 33.

The square root of 12411987 is about 3523.0650008196. The cubic root of 12411987 is about 231.5334647093.

The spelling of 12411987 in words is "twelve million, four hundred eleven thousand, nine hundred eighty-seven".