13842305 has 4 divisors (see below), whose sum is σ = 16610772. Its totient is φ = 11073840.

The previous prime is 13842293. The next prime is 13842307. The reversal of 13842305 is 50324831.

13842305 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: 50324831 = 29 ⋅1735339.

It can be written as a sum of positive squares in 2 ways, for example, as 7711729 + 6130576 = 2777^2 + 2476^2 .

It is not a de Polignac number, because 13842305 - 2⁴ = 13842289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13842307) 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, 1384226 + ... + 1384235.

It is an arithmetic number, because the mean of its divisors is an integer number (4152693).

Almost surely, 2^13842305 is an apocalyptic number.

It is an amenable number.

13842305 is a deficient number, since it is larger than the sum of its proper divisors (2768467).

13842305 is an equidigital number, since it uses as much as digits as its factorization.

13842305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768466.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 13842305 is about 3720.5248285692. The cubic root of 13842305 is about 240.1058849910.

The spelling of 13842305 in words is "thirteen million, eight hundred forty-two thousand, three hundred five".