13704973 has 4 divisors (see below), whose sum is σ = 13735420. Its totient is φ = 13674528.

The previous prime is 13704967. The next prime is 13704989. The reversal of 13704973 is 37940731.

13704973 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: 37940731 = 23 ⋅1649597.

It can be written as a sum of positive squares in 2 ways, for example, as 11819844 + 1885129 = 3438^2 + 1373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13704973 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 (13704923) 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, 14538 + ... + 15451.

It is an arithmetic number, because the mean of its divisors is an integer number (3433855).

Almost surely, 2^13704973 is an apocalyptic number.

It is an amenable number.

13704973 is a deficient number, since it is larger than the sum of its proper divisors (30447).

13704973 is an equidigital number, since it uses as much as digits as its factorization.

13704973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30446.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 13704973 is about 3702.0228254294. The cubic root of 13704973 is about 239.3091998970.

The spelling of 13704973 in words is "thirteen million, seven hundred four thousand, nine hundred seventy-three".