13145201 has 2 divisors, whose sum is σ = 13145202. Its totient is φ = 13145200.

The previous prime is 13145189. The next prime is 13145203. The reversal of 13145201 is 10254131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 2808976 = 3215^2 + 1676^2 .

It is a cyclic number.

It is not a de Polignac number, because 13145201 - 2²² = 8950897 is a prime.

Together with 13145203, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13145201.

It is not a weakly prime, because it can be changed into another prime (13145203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572600 + 6572601.

It is an arithmetic number, because the mean of its divisors is an integer number (6572601).

Almost surely, 2^13145201 is an apocalyptic number.

It is an amenable number.

13145201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13145201 is an equidigital number, since it uses as much as digits as its factorization.

13145201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13145201 is about 3625.6311174746. The cubic root of 13145201 is about 236.0056555669.

Adding to 13145201 its reverse (10254131), we get a palindrome (23399332).

The spelling of 13145201 in words is "thirteen million, one hundred forty-five thousand, two hundred one".