12821314 has 32 divisors (see below), whose sum is σ = 22708800. Its totient is φ = 5365440.

The previous prime is 12821311. The next prime is 12821317. The reversal of 12821314 is 41312821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12821311) and next prime (12821317).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12821311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15052 + ... + 15880.

It is an arithmetic number, because the mean of its divisors is an integer number (709650).

Almost surely, 2^12821314 is an apocalyptic number.

12821314 is a deficient number, since it is larger than the sum of its proper divisors (9887486).

12821314 is a wasteful number, since it uses less digits than its factorization.

12821314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898.

The product of its digits is 384, while the sum is 22.

The square root of 12821314 is about 3580.6862470761. The cubic root of 12821314 is about 234.0511856274.

The spelling of 12821314 in words is "twelve million, eight hundred twenty-one thousand, three hundred fourteen".