12214990 has 8 divisors (see below), whose sum is σ = 21987000. Its totient is φ = 4885992.

The previous prime is 12214981. The next prime is 12214991. The reversal of 12214990 is 9941221.

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 not an unprimeable number, because it can be changed into a prime (12214991) by changing a digit.

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, 610740 + ... + 610759.

It is an arithmetic number, because the mean of its divisors is an integer number (2748375).

Almost surely, 2^12214990 is an apocalyptic number.

12214990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12214990 is a deficient number, since it is larger than the sum of its proper divisors (9772010).

12214990 is a wasteful number, since it uses less digits than its factorization.

12214990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221506.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 12214990 is about 3494.9949928433. The cubic root of 12214990 is about 230.3019977482.

The spelling of 12214990 in words is "twelve million, two hundred fourteen thousand, nine hundred ninety".