12868669 has 4 divisors (see below), whose sum is σ = 14038560. Its totient is φ = 11698780.

The previous prime is 12868657. The next prime is 12868697. The reversal of 12868669 is 96686821.

12868669 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12868669 - 2⁹ = 12868157 is a prime.

It is a super-2 number, since 2×12868669² = 331205283663122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12868169) 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, 584929 + ... + 584950.

It is an arithmetic number, because the mean of its divisors is an integer number (3509640).

Almost surely, 2^12868669 is an apocalyptic number.

It is an amenable number.

12868669 is a deficient number, since it is larger than the sum of its proper divisors (1169891).

12868669 is a wasteful number, since it uses less digits than its factorization.

12868669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169890.

The product of its digits is 248832, while the sum is 46.

The square root of 12868669 is about 3587.2927117814. The cubic root of 12868669 is about 234.3389844274.

The spelling of 12868669 in words is "twelve million, eight hundred sixty-eight thousand, six hundred sixty-nine".