12210998 has 8 divisors (see below), whose sum is σ = 19393992. Its totient is φ = 5746336.

The previous prime is 12210983. The next prime is 12211009. The reversal of 12210998 is 89901221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179540 + ... + 179607.

It is an arithmetic number, because the mean of its divisors is an integer number (2424249).

Almost surely, 2^12210998 is an apocalyptic number.

12210998 is a deficient number, since it is larger than the sum of its proper divisors (7182994).

12210998 is a wasteful number, since it uses less digits than its factorization.

12210998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359166.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 12210998 is about 3494.4238437831. The cubic root of 12210998 is about 230.2769065625.

The spelling of 12210998 in words is "twelve million, two hundred ten thousand, nine hundred ninety-eight".