13151227 has 2 divisors, whose sum is σ = 13151228. Its totient is φ = 13151226.

The previous prime is 13151197. The next prime is 13151233. The reversal of 13151227 is 72215131.

It is a happy number.

13151227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (72215131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13151227 - 2¹¹ = 13149179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13151198 and 13151207.

It is not a weakly prime, because it can be changed into another prime (13151027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6575613 + 6575614.

It is an arithmetic number, because the mean of its divisors is an integer number (6575614).

Almost surely, 2^13151227 is an apocalyptic number.

13151227 is a deficient number, since it is larger than the sum of its proper divisors (1).

13151227 is an equidigital number, since it uses as much as digits as its factorization.

13151227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 22.

The square root of 13151227 is about 3626.4620499876. The cubic root of 13151227 is about 236.0417131572.

Adding to 13151227 its reverse (72215131), we get a palindrome (85366358).

The spelling of 13151227 in words is "thirteen million, one hundred fifty-one thousand, two hundred twenty-seven".