12305870 has 8 divisors (see below), whose sum is σ = 22150584. Its totient is φ = 4922344.

The previous prime is 12305861. The next prime is 12305879. The reversal of 12305870 is 7850321.

It is an interprime number because it is at equal distance from previous prime (12305861) and next prime (12305879).

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

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 (12305879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615284 + ... + 615303.

It is an arithmetic number, because the mean of its divisors is an integer number (2768823).

Almost surely, 2^12305870 is an apocalyptic number.

12305870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12305870 is a deficient number, since it is larger than the sum of its proper divisors (9844714).

12305870 is a wasteful number, since it uses less digits than its factorization.

12305870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230594.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12305870 is about 3507.9723488078. The cubic root of 12305870 is about 230.8717390457.

The spelling of 12305870 in words is "twelve million, three hundred five thousand, eight hundred seventy".