13293393 has 4 divisors (see below), whose sum is σ = 17724528. Its totient is φ = 8862260.

The previous prime is 13293391. The next prime is 13293421. The reversal of 13293393 is 39339231.

It is a happy number.

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: 39339231 = 3 ⋅13113077.

It is a cyclic number.

It is not a de Polignac number, because 13293393 - 2¹ = 13293391 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13293391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2215563 + ... + 2215568.

It is an arithmetic number, because the mean of its divisors is an integer number (4431132).

Almost surely, 2^13293393 is an apocalyptic number.

It is an amenable number.

13293393 is a deficient number, since it is larger than the sum of its proper divisors (4431135).

13293393 is an equidigital number, since it uses as much as digits as its factorization.

13293393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431134.

The product of its digits is 13122, while the sum is 33.

The square root of 13293393 is about 3646.0105595020. The cubic root of 13293393 is about 236.8892109788.

The spelling of 13293393 in words is "thirteen million, two hundred ninety-three thousand, three hundred ninety-three".