13228097 has 2 divisors, whose sum is σ = 13228098. Its totient is φ = 13228096.

The previous prime is 13228069. The next prime is 13228121. The reversal of 13228097 is 79082231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8737936 + 4490161 = 2956^2 + 2119^2 .

It is an emirp because it is prime and its reverse (79082231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13228097 - 2¹⁴ = 13211713 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13228037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614048 + 6614049.

It is an arithmetic number, because the mean of its divisors is an integer number (6614049).

Almost surely, 2^13228097 is an apocalyptic number.

It is an amenable number.

13228097 is a deficient number, since it is larger than the sum of its proper divisors (1).

13228097 is an equidigital number, since it uses as much as digits as its factorization.

13228097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 13228097 is about 3637.0450918294. The cubic root of 13228097 is about 236.5007144038.

The spelling of 13228097 in words is "thirteen million, two hundred twenty-eight thousand, ninety-seven".