13842706 has 4 divisors (see below), whose sum is σ = 20764062. Its totient is φ = 6921352.

The previous prime is 13842701. The next prime is 13842713. The reversal of 13842706 is 60724831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60724831 = 73 ⋅831847.

It can be written as a sum of positive squares in only one way, i.e., 11840481 + 2002225 = 3441^2 + 1415^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13842701) 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 as a sum of consecutive naturals, namely, 3460675 + ... + 3460678.

Almost surely, 2^13842706 is an apocalyptic number.

13842706 is a deficient number, since it is larger than the sum of its proper divisors (6921356).

13842706 is an equidigital number, since it uses as much as digits as its factorization.

13842706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921355.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 13842706 is about 3720.5787184254. The cubic root of 13842706 is about 240.1082035241.

The spelling of 13842706 in words is "thirteen million, eight hundred forty-two thousand, seven hundred six".