13785493 has 4 divisors (see below), whose sum is σ = 13801600. Its totient is φ = 13769388.

The previous prime is 13785491. The next prime is 13785511. The reversal of 13785493 is 39458731.

13785493 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 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 13785493 - 2¹ = 13785491 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 (13785491) 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, 6693 + ... + 8506.

It is an arithmetic number, because the mean of its divisors is an integer number (3450400).

Almost surely, 2^13785493 is an apocalyptic number.

It is an amenable number.

13785493 is a deficient number, since it is larger than the sum of its proper divisors (16107).

13785493 is an equidigital number, since it uses as much as digits as its factorization.

13785493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16106.

The product of its digits is 90720, while the sum is 40.

The square root of 13785493 is about 3712.8820342155. The cubic root of 13785493 is about 239.7769513344.

The spelling of 13785493 in words is "thirteen million, seven hundred eighty-five thousand, four hundred ninety-three".