12888667 has 8 divisors (see below), whose sum is σ = 14186160. Its totient is φ = 11612160.

The previous prime is 12888643. The next prime is 12888677. The reversal of 12888667 is 76688821.

12888667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12888667 - 2⁷ = 12888539 is a prime.

It is a super-2 number, since 2×12888667² = 332235474073778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12888607) 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, 3942 + ... + 6427.

It is an arithmetic number, because the mean of its divisors is an integer number (1773270).

Almost surely, 2^12888667 is an apocalyptic number.

12888667 is a deficient number, since it is larger than the sum of its proper divisors (1297493).

12888667 is a wasteful number, since it uses less digits than its factorization.

12888667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10493.

The product of its digits is 258048, while the sum is 46.

The square root of 12888667 is about 3590.0789684908. The cubic root of 12888667 is about 234.4603097326.

The spelling of 12888667 in words is "twelve million, eight hundred eighty-eight thousand, six hundred sixty-seven".