10687205 has 4 divisors (see below), whose sum is σ = 12824652. Its totient is φ = 8549760.

The previous prime is 10687153. The next prime is 10687207. The reversal of 10687205 is 50278601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50278601 = 1451 ⋅34651.

It can be written as a sum of positive squares in 2 ways, for example, as 4301476 + 6385729 = 2074^2 + 2527^2 .

It is not a de Polignac number, because 10687205 - 2¹⁸ = 10425061 is a prime.

It is a super-2 number, since 2×10687205² = 228432701424050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10687207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068716 + ... + 1068725.

It is an arithmetic number, because the mean of its divisors is an integer number (3206163).

Almost surely, 2^10687205 is an apocalyptic number.

It is an amenable number.

10687205 is a deficient number, since it is larger than the sum of its proper divisors (2137447).

10687205 is an equidigital number, since it uses as much as digits as its factorization.

10687205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137446.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 10687205 is about 3269.1290889165. The cubic root of 10687205 is about 220.2696761827.

The spelling of 10687205 in words is "ten million, six hundred eighty-seven thousand, two hundred five".