12865130 has 8 divisors (see below), whose sum is σ = 23157252. Its totient is φ = 5146048.

The previous prime is 12865123. The next prime is 12865133. The reversal of 12865130 is 3156821.

It can be written as a sum of positive squares in 2 ways, for example, as 12313081 + 552049 = 3509^2 + 743^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12865130.

It is not an unprimeable number, because it can be changed into a prime (12865133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643247 + ... + 643266.

Almost surely, 2^12865130 is an apocalyptic number.

12865130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12865130 is a deficient number, since it is larger than the sum of its proper divisors (10292122).

12865130 is a wasteful number, since it uses less digits than its factorization.

12865130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286520.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12865130 is about 3586.7994089439. The cubic root of 12865130 is about 234.3175006800.

The spelling of 12865130 in words is "twelve million, eight hundred sixty-five thousand, one hundred thirty".