13660201 has 2 divisors, whose sum is σ = 13660202. Its totient is φ = 13660200.

The previous prime is 13660193. The next prime is 13660249. The reversal of 13660201 is 10206631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9144576 + 4515625 = 3024^2 + 2125^2 .

It is a cyclic number.

It is not a de Polignac number, because 13660201 - 2³ = 13660193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13660291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6830100 + 6830101.

It is an arithmetic number, because the mean of its divisors is an integer number (6830101).

Almost surely, 2^13660201 is an apocalyptic number.

It is an amenable number.

13660201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13660201 is an equidigital number, since it uses as much as digits as its factorization.

13660201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13660201 is about 3695.9709143877. The cubic root of 13660201 is about 239.0483203830.

Adding to 13660201 its reverse (10206631), we get a palindrome (23866832).

It can be divided in two parts, 13660 and 201, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13660201 in words is "thirteen million, six hundred sixty thousand, two hundred one".