13782343 has 4 divisors (see below), whose sum is σ = 13865040. Its totient is φ = 13699648.

The previous prime is 13782331. The next prime is 13782371. The reversal of 13782343 is 34328731.

13782343 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: 34328731 = 5581 ⋅6151.

It is a cyclic number.

It is not a de Polignac number, because 13782343 - 2¹⁷ = 13651271 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 (13782943) 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, 41098 + ... + 41431.

It is an arithmetic number, because the mean of its divisors is an integer number (3466260).

Almost surely, 2^13782343 is an apocalyptic number.

13782343 is a deficient number, since it is larger than the sum of its proper divisors (82697).

13782343 is an equidigital number, since it uses as much as digits as its factorization.

13782343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82696.

The product of its digits is 12096, while the sum is 31.

The square root of 13782343 is about 3712.4578112081. The cubic root of 13782343 is about 239.7586868460.

It can be divided in two parts, 1378 and 2343, that added together give a square (3721 = 61²).

The spelling of 13782343 in words is "thirteen million, seven hundred eighty-two thousand, three hundred forty-three".