13228207 has 2 divisors, whose sum is σ = 13228208. Its totient is φ = 13228206.

The previous prime is 13228183. The next prime is 13228211. The reversal of 13228207 is 70282231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13228207 - 2¹¹ = 13226159 is a prime.

It is equal to p₈₆₃₁₂₅ and since 13228207 and 863125 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13228247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614103 + 6614104.

It is an arithmetic number, because the mean of its divisors is an integer number (6614104).

Almost surely, 2^13228207 is an apocalyptic number.

13228207 is a deficient number, since it is larger than the sum of its proper divisors (1).

13228207 is an equidigital number, since it uses as much as digits as its factorization.

13228207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 13228207 is about 3637.0602139640. The cubic root of 13228207 is about 236.5013699530.

The spelling of 13228207 in words is "thirteen million, two hundred twenty-eight thousand, two hundred seven".