13670717 has 4 divisors (see below), whose sum is σ = 14265120. Its totient is φ = 13076316.

The previous prime is 13670711. The next prime is 13670719. The reversal of 13670717 is 71707631.

13670717 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13670717 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 (13670711) 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, 297167 + ... + 297212.

It is an arithmetic number, because the mean of its divisors is an integer number (3566280).

Almost surely, 2^13670717 is an apocalyptic number.

It is an amenable number.

13670717 is a deficient number, since it is larger than the sum of its proper divisors (594403).

13670717 is an equidigital number, since it uses as much as digits as its factorization.

13670717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594402.

The product of its (nonzero) digits is 6174, while the sum is 32.

The square root of 13670717 is about 3697.3932709410. The cubic root of 13670717 is about 239.1096466485.

The spelling of 13670717 in words is "thirteen million, six hundred seventy thousand, seven hundred seventeen".