12899867 has 8 divisors (see below), whose sum is σ = 13400640. Its totient is φ = 12402880.

The previous prime is 12899857. The next prime is 12899869. The reversal of 12899867 is 76899821.

12899867 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 12899867 - 2⁴ = 12899851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12899869) 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, 7358 + ... + 8940.

It is an arithmetic number, because the mean of its divisors is an integer number (1675080).

Almost surely, 2^12899867 is an apocalyptic number.

12899867 is a deficient number, since it is larger than the sum of its proper divisors (500773).

12899867 is a wasteful number, since it uses less digits than its factorization.

12899867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893.

The product of its digits is 435456, while the sum is 50.

The square root of 12899867 is about 3591.6384840348. The cubic root of 12899867 is about 234.5282038808.

The spelling of 12899867 in words is "twelve million, eight hundred ninety-nine thousand, eight hundred sixty-seven".