12314820 has 96 divisors (see below), whose sum is σ = 39916800. Its totient is φ = 2778624.

The previous prime is 12314807. The next prime is 12314837. The reversal of 12314820 is 2841321.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 45646 + ... + 45914.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 2^12314820 is an apocalyptic number.

12314820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12314820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19958400).

12314820 is an abundant number, since it is smaller than the sum of its proper divisors (27601980).

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

12314820 is a wasteful number, since it uses less digits than its factorization.

12314820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12314820 is about 3509.2477826452. The cubic root of 12314820 is about 230.9276961169.

The spelling of 12314820 in words is "twelve million, three hundred fourteen thousand, eight hundred twenty".