10305812 has 36 divisors (see below), whose sum is σ = 20109600. Its totient is φ = 4617360.

The previous prime is 10305811. The next prime is 10305821. The reversal of 10305812 is 21850301.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51689 + ... + 51887.

It is an arithmetic number, because the mean of its divisors is an integer number (558600).

Almost surely, 2^10305812 is an apocalyptic number.

It is an amenable number.

10305812 is a deficient number, since it is larger than the sum of its proper divisors (9803788).

10305812 is a wasteful number, since it uses less digits than its factorization.

10305812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 10305812 is about 3210.2666555911. The cubic root of 10305812 is about 217.6176278341.

The spelling of 10305812 in words is "ten million, three hundred five thousand, eight hundred twelve".