12899667 has 16 divisors (see below), whose sum is σ = 19164672. Its totient is φ = 7650720.

The previous prime is 12899659. The next prime is 12899671. The reversal of 12899667 is 76699821.

12899667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12899667 - 2³ = 12899659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12899647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2608 + ... + 5709.

It is an arithmetic number, because the mean of its divisors is an integer number (1197792).

Almost surely, 2^12899667 is an apocalyptic number.

12899667 is a deficient number, since it is larger than the sum of its proper divisors (6265005).

12899667 is a wasteful number, since it uses less digits than its factorization.

12899667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378.

The product of its digits is 326592, while the sum is 48.

The square root of 12899667 is about 3591.6106414811. The cubic root of 12899667 is about 234.5269918300.

The spelling of 12899667 in words is "twelve million, eight hundred ninety-nine thousand, six hundred sixty-seven".