13708742 has 4 divisors (see below), whose sum is σ = 20563116. Its totient is φ = 6854370.

The previous prime is 13708741. The next prime is 13708777. The reversal of 13708742 is 24780731.

It is a happy number.

13708742 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: 24780731 = 19 ⋅1304249.

It is a junction number, because it is equal to n+sod(n) for n = 13708699 and 13708708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13708741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3427184 + ... + 3427187.

It is an arithmetic number, because the mean of its divisors is an integer number (5140779).

Almost surely, 2^13708742 is an apocalyptic number.

13708742 is a deficient number, since it is larger than the sum of its proper divisors (6854374).

13708742 is an equidigital number, since it uses as much as digits as its factorization.

13708742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6854373.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 13708742 is about 3702.5318364600. The cubic root of 13708742 is about 239.3311353338.

The spelling of 13708742 in words is "thirteen million, seven hundred eight thousand, seven hundred forty-two".