12213830 has 8 divisors (see below), whose sum is σ = 21984912. Its totient is φ = 4885528.

The previous prime is 12213823. The next prime is 12213841. The reversal of 12213830 is 3831221.

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

It is a Curzon number.

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, 610682 + ... + 610701.

It is an arithmetic number, because the mean of its divisors is an integer number (2748114).

Almost surely, 2^12213830 is an apocalyptic number.

12213830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12213830 is a deficient number, since it is larger than the sum of its proper divisors (9771082).

12213830 is a wasteful number, since it uses less digits than its factorization.

12213830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221390.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12213830 is about 3494.8290373064. The cubic root of 12213830 is about 230.2947072858.

The spelling of 12213830 in words is "twelve million, two hundred thirteen thousand, eight hundred thirty".