13726201 has 2 divisors, whose sum is σ = 13726202. Its totient is φ = 13726200.

The previous prime is 13726187. The next prime is 13726249. The reversal of 13726201 is 10262731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 3613801 = 3180^2 + 1901^2 .

It is an emirp because it is prime and its reverse (10262731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13726201 - 2⁵ = 13726169 is a prime.

It is not a weakly prime, because it can be changed into another prime (13726301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6863100 + 6863101.

It is an arithmetic number, because the mean of its divisors is an integer number (6863101).

Almost surely, 2^13726201 is an apocalyptic number.

It is an amenable number.

13726201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13726201 is an equidigital number, since it uses as much as digits as its factorization.

13726201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 13726201 is about 3704.8887972515. Note that the first 3 decimals coincide. The cubic root of 13726201 is about 239.4326936360.

Adding to 13726201 its reverse (10262731), we get a palindrome (23988932).

The spelling of 13726201 in words is "thirteen million, seven hundred twenty-six thousand, two hundred one".