12898987 has 2 divisors, whose sum is σ = 12898988. Its totient is φ = 12898986.

The previous prime is 12898979. The next prime is 12899017. The reversal of 12898987 is 78989821.

12898987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12898987 - 2³ = 12898979 is a prime.

It is not a weakly prime, because it can be changed into another prime (12848987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6449493 + 6449494.

It is an arithmetic number, because the mean of its divisors is an integer number (6449494).

Almost surely, 2^12898987 is an apocalyptic number.

12898987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12898987 is an equidigital number, since it uses as much as digits as its factorization.

12898987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 52.

The square root of 12898987 is about 3591.5159751837. The cubic root of 12898987 is about 234.5228707635.

The spelling of 12898987 in words is "twelve million, eight hundred ninety-eight thousand, nine hundred eighty-seven".