13700217 has 4 divisors (see below), whose sum is σ = 18266960. Its totient is φ = 9133476.

The previous prime is 13700201. The next prime is 13700221. The reversal of 13700217 is 71200731.

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 not a de Polignac number, because 13700217 - 2⁴ = 13700201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13700193 and 13700202.

It is not an unprimeable number, because it can be changed into a prime (13700017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2283367 + ... + 2283372.

It is an arithmetic number, because the mean of its divisors is an integer number (4566740).

Almost surely, 2^13700217 is an apocalyptic number.

It is an amenable number.

13700217 is a deficient number, since it is larger than the sum of its proper divisors (4566743).

13700217 is an equidigital number, since it uses as much as digits as its factorization.

13700217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566742.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 13700217 is about 3701.3804181683. The cubic root of 13700217 is about 239.2815144178.

Adding to 13700217 its reverse (71200731), we get a palindrome (84900948).

The spelling of 13700217 in words is "thirteen million, seven hundred thousand, two hundred seventeen".