12899946 has 8 divisors (see below), whose sum is σ = 25799904. Its totient is φ = 4299980.

The previous prime is 12899899. The next prime is 12899951. The reversal of 12899946 is 64999821.

12899946 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.

12899946 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12899895 and 12899904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074990 + ... + 1075001.

It is an arithmetic number, because the mean of its divisors is an integer number (3224988).

Almost surely, 2^12899946 is an apocalyptic number.

12899946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12899946 is a wasteful number, since it uses less digits than its factorization.

12899946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149996.

The product of its digits is 279936, while the sum is 48.

The square root of 12899946 is about 3591.6494817841. The cubic root of 12899946 is about 234.5286826374.

The spelling of 12899946 in words is "twelve million, eight hundred ninety-nine thousand, nine hundred forty-six".