13632217 has 2 divisors, whose sum is σ = 13632218. Its totient is φ = 13632216.

The previous prime is 13632211. The next prime is 13632221. The reversal of 13632217 is 71223631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9616201 + 4016016 = 3101^2 + 2004^2 .

It is a cyclic number.

It is not a de Polignac number, because 13632217 - 2¹⁵ = 13599449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13632191 and 13632200.

It is not a weakly prime, because it can be changed into another prime (13632211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6816108 + 6816109.

It is an arithmetic number, because the mean of its divisors is an integer number (6816109).

Almost surely, 2^13632217 is an apocalyptic number.

It is an amenable number.

13632217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13632217 is an equidigital number, since it uses as much as digits as its factorization.

13632217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 13632217 is about 3692.1832294728. The cubic root of 13632217 is about 238.8849723373.

Adding to 13632217 its reverse (71223631), we get a palindrome (84855848).

The spelling of 13632217 in words is "thirteen million, six hundred thirty-two thousand, two hundred seventeen".