12868530 has 16 divisors (see below), whose sum is σ = 30884544. Its totient is φ = 3431600.

The previous prime is 12868517. The next prime is 12868543. The reversal of 12868530 is 3586821.

It is a happy number.

12868530 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12868517) and next prime (12868543).

It is a junction number, because it is equal to n+sod(n) for n = 12868491 and 12868500.

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, 214446 + ... + 214505.

It is an arithmetic number, because the mean of its divisors is an integer number (1930284).

Almost surely, 2^12868530 is an apocalyptic number.

12868530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12868530 is an abundant number, since it is smaller than the sum of its proper divisors (18016014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12868530 is a wasteful number, since it uses less digits than its factorization.

12868530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428961.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12868530 is about 3587.2733377874. The cubic root of 12868530 is about 234.3381406925.

The spelling of 12868530 in words is "twelve million, eight hundred sixty-eight thousand, five hundred thirty".