12900998 has 32 divisors (see below), whose sum is σ = 22217760. Its totient is φ = 5564160.

The previous prime is 12900959. The next prime is 12901001. The reversal of 12900998 is 89900921.

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 15 ways as a sum of consecutive naturals, for example, 46436 + ... + 46712.

It is an arithmetic number, because the mean of its divisors is an integer number (694305).

Almost surely, 2^12900998 is an apocalyptic number.

12900998 is a deficient number, since it is larger than the sum of its proper divisors (9316762).

12900998 is a wasteful number, since it uses less digits than its factorization.

12900998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 12900998 is about 3591.7959296152. The cubic root of 12900998 is about 234.5350577925.

The spelling of 12900998 in words is "twelve million, nine hundred thousand, nine hundred ninety-eight".