12821914 has 8 divisors (see below), whose sum is σ = 21980448. Its totient is φ = 5495100.

The previous prime is 12821899. The next prime is 12821933. The reversal of 12821914 is 41912821.

12821914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457912 + ... + 457939.

It is an arithmetic number, because the mean of its divisors is an integer number (2747556).

Almost surely, 2^12821914 is an apocalyptic number.

12821914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12821914 is a deficient number, since it is larger than the sum of its proper divisors (9158534).

12821914 is an equidigital number, since it uses as much as digits as its factorization.

12821914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915860.

The product of its digits is 1152, while the sum is 28.

The square root of 12821914 is about 3580.7700289184. The cubic root of 12821914 is about 234.0548365408.

The spelling of 12821914 in words is "twelve million, eight hundred twenty-one thousand, nine hundred fourteen".