13793543 has 4 divisors (see below), whose sum is σ = 14238528. Its totient is φ = 13348560.

The previous prime is 13793539. The next prime is 13793557. The reversal of 13793543 is 34539731.

13793543 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: 34539731 = 73 ⋅473147.

It is a cyclic number.

It is not a de Polignac number, because 13793543 - 2² = 13793539 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 (13793573) 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, 222446 + ... + 222507.

It is an arithmetic number, because the mean of its divisors is an integer number (3559632).

Almost surely, 2^13793543 is an apocalyptic number.

13793543 is a deficient number, since it is larger than the sum of its proper divisors (444985).

13793543 is an equidigital number, since it uses as much as digits as its factorization.

13793543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444984.

The product of its digits is 34020, while the sum is 35.

The square root of 13793543 is about 3713.9659395315. The cubic root of 13793543 is about 239.8236146122.

The spelling of 13793543 in words is "thirteen million, seven hundred ninety-three thousand, five hundred forty-three".