10405687 has 2 divisors, whose sum is σ = 10405688. Its totient is φ = 10405686.

The previous prime is 10405667. The next prime is 10405691. The reversal of 10405687 is 78650401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10405687 - 2¹¹ = 10403639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10405607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5202843 + 5202844.

It is an arithmetic number, because the mean of its divisors is an integer number (5202844).

Almost surely, 2^10405687 is an apocalyptic number.

10405687 is a deficient number, since it is larger than the sum of its proper divisors (1).

10405687 is an equidigital number, since it uses as much as digits as its factorization.

10405687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 10405687 is about 3225.7847107332. The cubic root of 10405687 is about 218.3183562297.

The spelling of 10405687 in words is "ten million, four hundred five thousand, six hundred eighty-seven".