12821368 has 16 divisors (see below), whose sum is σ = 27474480. Its totient is φ = 5494848.

The previous prime is 12821359. The next prime is 12821377. The reversal of 12821368 is 86312821.

12821368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12821359) and next prime (12821377).

It is a congruent number.

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, 114421 + ... + 114532.

It is an arithmetic number, because the mean of its divisors is an integer number (1717155).

Almost surely, 2^12821368 is an apocalyptic number.

It is an amenable number.

12821368 is an abundant number, since it is smaller than the sum of its proper divisors (14653112).

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

12821368 is a wasteful number, since it uses less digits than its factorization.

12821368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228966 (or 228962 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 12821368 is about 3580.6937875222. The cubic root of 12821368 is about 234.0515142143.

The spelling of 12821368 in words is "twelve million, eight hundred twenty-one thousand, three hundred sixty-eight".