13321199 has 4 divisors (see below), whose sum is σ = 13344864. Its totient is φ = 13297536.

The previous prime is 13321181. The next prime is 13321211. The reversal of 13321199 is 99112331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99112331 = 47 ⋅2108773.

It is a cyclic number.

It is not a de Polignac number, because 13321199 - 2¹⁶ = 13255663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321129) 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, 10967 + ... + 12120.

It is an arithmetic number, because the mean of its divisors is an integer number (3336216).

Almost surely, 2^13321199 is an apocalyptic number.

13321199 is a deficient number, since it is larger than the sum of its proper divisors (23665).

13321199 is an equidigital number, since it uses as much as digits as its factorization.

13321199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23664.

The product of its digits is 1458, while the sum is 29.

The square root of 13321199 is about 3649.8217764707. The cubic root of 13321199 is about 237.0542642515.

The spelling of 13321199 in words is "thirteen million, three hundred twenty-one thousand, one hundred ninety-nine".