13217701 has 6 divisors (see below), whose sum is σ = 15375750. Its totient is φ = 11329416.

The previous prime is 13217683. The next prime is 13217717. The reversal of 13217701 is 10771231.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 5764801 = 2730^2 + 2401^2 .

It is not a de Polignac number, because 13217701 - 2¹⁹ = 12693413 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 (13217731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134826 + ... + 134923.

It is an arithmetic number, because the mean of its divisors is an integer number (2562625).

Almost surely, 2^13217701 is an apocalyptic number.

It is an amenable number.

13217701 is a deficient number, since it is larger than the sum of its proper divisors (2158049).

13217701 is an equidigital number, since it uses as much as digits as its factorization.

13217701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269763 (or 269756 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 13217701 is about 3635.6156287485. The cubic root of 13217701 is about 236.4387426327.

Adding to 13217701 its reverse (10771231), we get a palindrome (23988932).

The spelling of 13217701 in words is "thirteen million, two hundred seventeen thousand, seven hundred one".