13321799 has 4 divisors (see below), whose sum is σ = 13453800. Its totient is φ = 13189800.

The previous prime is 13321751. The next prime is 13321823. The reversal of 13321799 is 99712331.

13321799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99712331 = 4583 ⋅21757.

It is a cyclic number.

It is not a de Polignac number, because 13321799 - 2²⁰ = 12273223 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 (13321699) 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, 65849 + ... + 66050.

It is an arithmetic number, because the mean of its divisors is an integer number (3363450).

Almost surely, 2^13321799 is an apocalyptic number.

13321799 is a deficient number, since it is larger than the sum of its proper divisors (132001).

13321799 is a wasteful number, since it uses less digits than its factorization.

13321799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132000.

The product of its digits is 10206, while the sum is 35.

The square root of 13321799 is about 3649.9039713395. The cubic root of 13321799 is about 237.0578232510.

The spelling of 13321799 in words is "thirteen million, three hundred twenty-one thousand, seven hundred ninety-nine".