13894321 has 16 divisors (see below), whose sum is σ = 17138304. Its totient is φ = 10992384.

The previous prime is 13894319. The next prime is 13894327. The reversal of 13894321 is 12349831.

It is a cyclic number.

It is not a de Polignac number, because 13894321 - 2¹ = 13894319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13894327) 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, 5206 + ... + 7408.

It is an arithmetic number, because the mean of its divisors is an integer number (1071144).

Almost surely, 2^13894321 is an apocalyptic number.

It is an amenable number.

13894321 is a deficient number, since it is larger than the sum of its proper divisors (3243983).

13894321 is a wasteful number, since it uses less digits than its factorization.

13894321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

The product of its digits is 5184, while the sum is 31.

The square root of 13894321 is about 3727.5086854359. The cubic root of 13894321 is about 240.4062621396.

The spelling of 13894321 in words is "thirteen million, eight hundred ninety-four thousand, three hundred twenty-one".