12894321 has 8 divisors (see below), whose sum is σ = 18755424. Its totient is φ = 7814720.

The previous prime is 12894269. The next prime is 12894341. The reversal of 12894321 is 12349821.

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

It is a cyclic number.

It is not a de Polignac number, because 12894321 - 2⁹ = 12893809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12894341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195336 + ... + 195401.

It is an arithmetic number, because the mean of its divisors is an integer number (2344428).

Almost surely, 2^12894321 is an apocalyptic number.

12894321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12894321 is a deficient number, since it is larger than the sum of its proper divisors (5861103).

12894321 is a wasteful number, since it uses less digits than its factorization.

12894321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390751.

The product of its digits is 3456, while the sum is 30.

The square root of 12894321 is about 3590.8663300101. The cubic root of 12894321 is about 234.4945890675.

It can be divided in two parts, 128 and 94321, that added together give a palindrome (94449).

The spelling of 12894321 in words is "twelve million, eight hundred ninety-four thousand, three hundred twenty-one".