12868019 has 4 divisors (see below), whose sum is σ = 12879360. Its totient is φ = 12856680.

The previous prime is 12868013. The next prime is 12868027. The reversal of 12868019 is 91086821.

12868019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91086821 = 7 ⋅13012403.

It is a cyclic number.

It is not a de Polignac number, because 12868019 - 2⁴ = 12868003 is a prime.

It is a super-2 number, since 2×12868019² = 331171825968722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12868019.

It is not an unprimeable number, because it can be changed into a prime (12868013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3752 + ... + 6309.

It is an arithmetic number, because the mean of its divisors is an integer number (3219840).

Almost surely, 2^12868019 is an apocalyptic number.

12868019 is a deficient number, since it is larger than the sum of its proper divisors (11341).

12868019 is a wasteful number, since it uses less digits than its factorization.

12868019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11340.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 12868019 is about 3587.2021130681. The cubic root of 12868019 is about 234.3350388522.

The spelling of 12868019 in words is "twelve million, eight hundred sixty-eight thousand, nineteen".