12899000 has 32 divisors (see below), whose sum is σ = 30186000. Its totient is φ = 5159200.

The previous prime is 12898987. The next prime is 12899017. The reversal of 12899000 is 99821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5450 + ... + 7449.

Almost surely, 2^12899000 is an apocalyptic number.

12899000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12899000 is an abundant number, since it is smaller than the sum of its proper divisors (17287000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12899000 is a wasteful number, since it uses less digits than its factorization.

12899000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920 (or 12906 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 12899000 is about 3591.5177850040. The cubic root of 12899000 is about 234.5229495499.

The spelling of 12899000 in words is "twelve million, eight hundred ninety-nine thousand".