12865730 has 16 divisors (see below), whose sum is σ = 23385024. Its totient is φ = 5095920.

The previous prime is 12865711. The next prime is 12865757. The reversal of 12865730 is 3756821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5216 + ... + 7275.

It is an arithmetic number, because the mean of its divisors is an integer number (1461564).

Almost surely, 2^12865730 is an apocalyptic number.

12865730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12865730 is a deficient number, since it is larger than the sum of its proper divisors (10519294).

12865730 is a wasteful number, since it uses less digits than its factorization.

12865730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12601.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12865730 is about 3586.8830479959. The cubic root of 12865730 is about 234.3211432994.

The spelling of 12865730 in words is "twelve million, eight hundred sixty-five thousand, seven hundred thirty".