12124487 has 2 divisors, whose sum is σ = 12124488. Its totient is φ = 12124486.

The previous prime is 12124481. The next prime is 12124513. The reversal of 12124487 is 78442121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12124487 - 2⁶ = 12124423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12124481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062243 + 6062244.

It is an arithmetic number, because the mean of its divisors is an integer number (6062244).

Almost surely, 2^12124487 is an apocalyptic number.

12124487 is a deficient number, since it is larger than the sum of its proper divisors (1).

12124487 is an equidigital number, since it uses as much as digits as its factorization.

12124487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 29.

The square root of 12124487 is about 3482.0234060098. The cubic root of 12124487 is about 229.7318045900.

The spelling of 12124487 in words is "twelve million, one hundred twenty-four thousand, four hundred eighty-seven".