10505312 has 12 divisors (see below), whose sum is σ = 20682396. Its totient is φ = 5252640.

The previous prime is 10505291. The next prime is 10505317. The reversal of 10505312 is 21350501.

It is a super-2 number, since 2×10505312² = 220723160434688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164114 + ... + 164177.

It is an arithmetic number, because the mean of its divisors is an integer number (1723533).

Almost surely, 2^10505312 is an apocalyptic number.

It is an amenable number.

10505312 is a deficient number, since it is larger than the sum of its proper divisors (10177084).

10505312 is an equidigital number, since it uses as much as digits as its factorization.

10505312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328301 (or 328293 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 10505312 is about 3241.1899049577. The cubic root of 10505312 is about 219.0128777621.

Adding to 10505312 its reverse (21350501), we get a palindrome (31855813).

The spelling of 10505312 in words is "ten million, five hundred five thousand, three hundred twelve".