13705313 has 4 divisors (see below), whose sum is σ = 14177940. Its totient is φ = 13232688.

The previous prime is 13705301. The next prime is 13705337. The reversal of 13705313 is 31350731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10349089 + 3356224 = 3217^2 + 1832^2 .

It is a cyclic number.

It is not a de Polignac number, because 13705313 - 2⁶ = 13705249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13705513) 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, 236270 + ... + 236327.

It is an arithmetic number, because the mean of its divisors is an integer number (3544485).

Almost surely, 2^13705313 is an apocalyptic number.

It is an amenable number.

13705313 is a deficient number, since it is larger than the sum of its proper divisors (472627).

13705313 is an equidigital number, since it uses as much as digits as its factorization.

13705313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472626.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 13705313 is about 3702.0687459851. The cubic root of 13705313 is about 239.3111788491.

The spelling of 13705313 in words is "thirteen million, seven hundred five thousand, three hundred thirteen".