13782193 has 4 divisors (see below), whose sum is σ = 13809780. Its totient is φ = 13754608.

The previous prime is 13782187. The next prime is 13782199. The reversal of 13782193 is 39128731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39128731 = 197 ⋅198623.

It is an interprime number because it is at equal distance from previous prime (13782187) and next prime (13782199).

It can be written as a sum of positive squares in 2 ways, for example, as 11370384 + 2411809 = 3372^2 + 1553^2 .

It is a cyclic number.

It is not a de Polignac number, because 13782193 - 2⁹ = 13781681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13782199) 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, 13030 + ... + 14047.

It is an arithmetic number, because the mean of its divisors is an integer number (3452445).

Almost surely, 2^13782193 is an apocalyptic number.

It is an amenable number.

13782193 is a deficient number, since it is larger than the sum of its proper divisors (27587).

13782193 is an equidigital number, since it uses as much as digits as its factorization.

13782193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27586.

The product of its digits is 9072, while the sum is 34.

The square root of 13782193 is about 3712.4376089033. The cubic root of 13782193 is about 239.7578170390.

The spelling of 13782193 in words is "thirteen million, seven hundred eighty-two thousand, one hundred ninety-three".