13782734 has 8 divisors (see below), whose sum is σ = 23627568. Its totient is φ = 5906880.

The previous prime is 13782721. The next prime is 13782749. The reversal of 13782734 is 43728731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13782694 and 13782703.

It is a congruent number.

It is an unprimeable number.

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, 492227 + ... + 492254.

It is an arithmetic number, because the mean of its divisors is an integer number (2953446).

Almost surely, 2^13782734 is an apocalyptic number.

13782734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13782734 is a deficient number, since it is larger than the sum of its proper divisors (9844834).

13782734 is an equidigital number, since it uses as much as digits as its factorization.

13782734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984490.

The product of its digits is 28224, while the sum is 35.

The square root of 13782734 is about 3712.5104713657. The cubic root of 13782734 is about 239.7609541131.

The spelling of 13782734 in words is "thirteen million, seven hundred eighty-two thousand, seven hundred thirty-four".