13345705 has 8 divisors (see below), whose sum is σ = 16405704. Its totient is φ = 10416000.

The previous prime is 13345687. The next prime is 13345721. The reversal of 13345705 is 50754331.

It can be written as a sum of positive squares in 4 ways, for example, as 700569 + 12645136 = 837^2 + 3556^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13345705 - 2⁹ = 13345193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32346 + ... + 32755.

It is an arithmetic number, because the mean of its divisors is an integer number (2050713).

Almost surely, 2^13345705 is an apocalyptic number.

It is an amenable number.

13345705 is a deficient number, since it is larger than the sum of its proper divisors (3059999).

13345705 is an equidigital number, since it uses as much as digits as its factorization.

13345705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65147.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 13345705 is about 3653.1773841411. The cubic root of 13345705 is about 237.1995387911.

The spelling of 13345705 in words is "thirteen million, three hundred forty-five thousand, seven hundred five".