12041487 has 16 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 7890552.

The previous prime is 12041479. The next prime is 12041501. The reversal of 12041487 is 78414021.

It is not a de Polignac number, because 12041487 - 2³ = 12041479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12041487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12041087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2187 + ... + 5372.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^12041487 is an apocalyptic number.

12041487 is a deficient number, since it is larger than the sum of its proper divisors (6102513).

12041487 is an equidigital number, since it uses as much as digits as its factorization.

12041487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627 (or 7621 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 12041487 is about 3470.0845811017. The cubic root of 12041487 is about 229.2063825969.

The spelling of 12041487 in words is "twelve million, forty-one thousand, four hundred eighty-seven".