13209151 has 2 divisors, whose sum is σ = 13209152. Its totient is φ = 13209150.

The previous prime is 13209139. The next prime is 13209167. The reversal of 13209151 is 15190231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13209151 - 2⁹ = 13208639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13209101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6604575 + 6604576.

It is an arithmetic number, because the mean of its divisors is an integer number (6604576).

Almost surely, 2^13209151 is an apocalyptic number.

13209151 is a deficient number, since it is larger than the sum of its proper divisors (1).

13209151 is an equidigital number, since it uses as much as digits as its factorization.

13209151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 13209151 is about 3634.4395716534. The cubic root of 13209151 is about 236.3877507269.

Adding to 13209151 its reverse (15190231), we get a palindrome (28399382).

The spelling of 13209151 in words is "thirteen million, two hundred nine thousand, one hundred fifty-one".