10500387 has 8 divisors (see below), whose sum is σ = 14342160. Its totient is φ = 6829440.

The previous prime is 10500379. The next prime is 10500421. The reversal of 10500387 is 78300501.

10500387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10500387 - 2³ = 10500379 is a prime.

It is a super-2 number, since 2×10500387² = 220516254299538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10500367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42562 + ... + 42807.

It is an arithmetic number, because the mean of its divisors is an integer number (1792770).

Almost surely, 2^10500387 is an apocalyptic number.

10500387 is a deficient number, since it is larger than the sum of its proper divisors (3841773).

10500387 is an equidigital number, since it uses as much as digits as its factorization.

10500387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85413.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 10500387 is about 3240.4300640501. The cubic root of 10500387 is about 218.9786472374.

Adding to 10500387 its reverse (78300501), we get a palindrome (88800888).

The spelling of 10500387 in words is "ten million, five hundred thousand, three hundred eighty-seven".