12868810 has 8 divisors (see below), whose sum is σ = 23163876. Its totient is φ = 5147520.

The previous prime is 12868787. The next prime is 12868811. The reversal of 12868810 is 1886821.

It can be written as a sum of positive squares in 2 ways, for example, as 11553201 + 1315609 = 3399^2 + 1147^2 .

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

It is a super-2 number, since 2×12868810² = 331212541632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12868811) 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, 643431 + ... + 643450.

Almost surely, 2^12868810 is an apocalyptic number.

12868810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12868810 is a deficient number, since it is larger than the sum of its proper divisors (10295066).

12868810 is a wasteful number, since it uses less digits than its factorization.

12868810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286888.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 12868810 is about 3587.3123644311. The cubic root of 12868810 is about 234.3398402962.

The spelling of 12868810 in words is "twelve million, eight hundred sixty-eight thousand, eight hundred ten".