12943487 has 2 divisors, whose sum is σ = 12943488. Its totient is φ = 12943486.

The previous prime is 12943433. The next prime is 12943499. The reversal of 12943487 is 78434921.

12943487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12943487 - 2¹² = 12939391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12943487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12943417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6471743 + 6471744.

It is an arithmetic number, because the mean of its divisors is an integer number (6471744).

Almost surely, 2^12943487 is an apocalyptic number.

12943487 is a deficient number, since it is larger than the sum of its proper divisors (1).

12943487 is an equidigital number, since it uses as much as digits as its factorization.

12943487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 12943487 is about 3597.7057967544. The cubic root of 12943487 is about 234.7922534004.

The spelling of 12943487 in words is "twelve million, nine hundred forty-three thousand, four hundred eighty-seven".