10456987 has 2 divisors, whose sum is σ = 10456988. Its totient is φ = 10456986.

The previous prime is 10456981. The next prime is 10456997. The reversal of 10456987 is 78965401.

10456987 is digitally balanced in base 3, 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 a de Polignac number, because none of the positive numbers 2^k-10456987 is a prime.

It is not a weakly prime, because it can be changed into another prime (10456981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5228493 + 5228494.

It is an arithmetic number, because the mean of its divisors is an integer number (5228494).

Almost surely, 2^10456987 is an apocalyptic number.

10456987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10456987 is an equidigital number, since it uses as much as digits as its factorization.

10456987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 10456987 is about 3233.7264881248. The cubic root of 10456987 is about 218.6765378356.

The spelling of 10456987 in words is "ten million, four hundred fifty-six thousand, nine hundred eighty-seven".