12868121 has 8 divisors (see below), whose sum is σ = 14749440. Its totient is φ = 10997568.

The previous prime is 12868103. The next prime is 12868123. The reversal of 12868121 is 12186821.

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

It is a cyclic number.

It is not a de Polignac number, because 12868121 - 2¹⁸ = 12605977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12868123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65 + ... + 5073.

It is an arithmetic number, because the mean of its divisors is an integer number (1843680).

Almost surely, 2^12868121 is an apocalyptic number.

It is an amenable number.

12868121 is a deficient number, since it is larger than the sum of its proper divisors (1881319).

12868121 is an equidigital number, since it uses as much as digits as its factorization.

12868121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383.

The product of its digits is 1536, while the sum is 29.

The square root of 12868121 is about 3587.2163302483. The cubic root of 12868121 is about 234.3356580128.

The spelling of 12868121 in words is "twelve million, eight hundred sixty-eight thousand, one hundred twenty-one".