12041987 has 8 divisors (see below), whose sum is σ = 12430320. Its totient is φ = 11658240.

The previous prime is 12041957. The next prime is 12041999. The reversal of 12041987 is 78914021.

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 12041987 - 2⁶ = 12041923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12041957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4643 + ... + 6755.

It is an arithmetic number, because the mean of its divisors is an integer number (1553790).

Almost surely, 2^12041987 is an apocalyptic number.

12041987 is a deficient number, since it is larger than the sum of its proper divisors (388333).

12041987 is a wasteful number, since it uses less digits than its factorization.

12041987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 12041987 is about 3470.1566247073. The cubic root of 12041987 is about 229.2095550070.

The spelling of 12041987 in words is "twelve million, forty-one thousand, nine hundred eighty-seven".