13393493 has 4 divisors (see below), whose sum is σ = 13463808. Its totient is φ = 13323180.

The previous prime is 13393483. The next prime is 13393517. The reversal of 13393493 is 39439331.

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.

It is a cyclic number.

It is not a de Polignac number, because 13393493 - 2¹⁶ = 13327957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13393403) 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, 34871 + ... + 35252.

It is an arithmetic number, because the mean of its divisors is an integer number (3365952).

Almost surely, 2^13393493 is an apocalyptic number.

It is an amenable number.

13393493 is a deficient number, since it is larger than the sum of its proper divisors (70315).

13393493 is an equidigital number, since it uses as much as digits as its factorization.

13393493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70314.

The product of its digits is 26244, while the sum is 35.

The square root of 13393493 is about 3659.7121471504. The cubic root of 13393493 is about 237.4823211217.

The spelling of 13393493 in words is "thirteen million, three hundred ninety-three thousand, four hundred ninety-three".