13056705 has 24 divisors (see below), whose sum is σ = 23824320. Its totient is φ = 6596640.

The previous prime is 13056691. The next prime is 13056749. The reversal of 13056705 is 50765031.

13056705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-13056705 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6781 + ... + 8490.

It is an arithmetic number, because the mean of its divisors is an integer number (992680).

Almost surely, 2^13056705 is an apocalyptic number.

13056705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13056705 is a deficient number, since it is larger than the sum of its proper divisors (10767615).

13056705 is a wasteful number, since it uses less digits than its factorization.

13056705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15301 (or 15298 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 13056705 is about 3613.4062877014. The cubic root of 13056705 is about 235.4748509258.

The spelling of 13056705 in words is "thirteen million, fifty-six thousand, seven hundred five".