12043487 has 4 divisors (see below), whose sum is σ = 12063936. Its totient is φ = 12023040.

The previous prime is 12043477. The next prime is 12043501. The reversal of 12043487 is 78434021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78434021 = 43 ⋅1824047.

It is a cyclic number.

It is not a de Polignac number, because 12043487 - 2²⁰ = 10994911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9314 + ... + 10527.

It is an arithmetic number, because the mean of its divisors is an integer number (3015984).

Almost surely, 2^12043487 is an apocalyptic number.

12043487 is a deficient number, since it is larger than the sum of its proper divisors (20449).

12043487 is an equidigital number, since it uses as much as digits as its factorization.

12043487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20448.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 12043487 is about 3470.3727465504. The cubic root of 12043487 is about 229.2190717104.

The spelling of 12043487 in words is "twelve million, forty-three thousand, four hundred eighty-seven".