13342993 has 4 divisors (see below), whose sum is σ = 13363380. Its totient is φ = 13322608.

The previous prime is 13342963. The next prime is 13343023. The reversal of 13342993 is 39924331.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13342963) and next prime (13343023).

It can be written as a sum of positive squares in 2 ways, for example, as 11068929 + 2274064 = 3327^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 13342993 - 2¹³ = 13334801 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13342963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9178 + ... + 10531.

It is an arithmetic number, because the mean of its divisors is an integer number (3340845).

Almost surely, 2^13342993 is an apocalyptic number.

It is an amenable number.

13342993 is a deficient number, since it is larger than the sum of its proper divisors (20387).

13342993 is an equidigital number, since it uses as much as digits as its factorization.

13342993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20386.

The product of its digits is 17496, while the sum is 34.

The square root of 13342993 is about 3652.8061815541. The cubic root of 13342993 is about 237.1834704823.

The spelling of 13342993 in words is "thirteen million, three hundred forty-two thousand, nine hundred ninety-three".