13834321 has 4 divisors (see below), whose sum is σ = 13906944. Its totient is φ = 13761700.

The previous prime is 13834307. The next prime is 13834333. The reversal of 13834321 is 12343831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12343831 = 347 ⋅35573.

It is a cyclic number.

It is not a de Polignac number, because 13834321 - 2⁷ = 13834193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13834391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36025 + ... + 36406.

It is an arithmetic number, because the mean of its divisors is an integer number (3476736).

Almost surely, 2^13834321 is an apocalyptic number.

It is an amenable number.

13834321 is a deficient number, since it is larger than the sum of its proper divisors (72623).

13834321 is an equidigital number, since it uses as much as digits as its factorization.

13834321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72622.

The product of its digits is 1728, while the sum is 25.

The square root of 13834321 is about 3719.4517069052. The cubic root of 13834321 is about 240.0597131511.

The spelling of 13834321 in words is "thirteen million, eight hundred thirty-four thousand, three hundred twenty-one".