12805310 has 16 divisors (see below), whose sum is σ = 26342496. Its totient is φ = 4390368.

The previous prime is 12805307. The next prime is 12805313. The reversal of 12805310 is 1350821.

It is an interprime number because it is at equal distance from previous prime (12805307) and next prime (12805313).

It is a super-2 number, since 2×12805310² = 327951928392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12805313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91397 + ... + 91536.

It is an arithmetic number, because the mean of its divisors is an integer number (1646406).

Almost surely, 2^12805310 is an apocalyptic number.

12805310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12805310 is an abundant number, since it is smaller than the sum of its proper divisors (13537186).

12805310 is a wasteful number, since it uses less digits than its factorization.

12805310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182947.

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

The square root of 12805310 is about 3578.4507821123. The cubic root of 12805310 is about 233.9537615313.

The spelling of 12805310 in words is "twelve million, eight hundred five thousand, three hundred ten".