13278611 has 2 divisors, whose sum is σ = 13278612. Its totient is φ = 13278610.

The previous prime is 13278583. The next prime is 13278619. The reversal of 13278611 is 11687231.

It is a strong prime.

It is an emirp because it is prime and its reverse (11687231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13278611 - 2¹⁰ = 13277587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13278619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6639305 + 6639306.

It is an arithmetic number, because the mean of its divisors is an integer number (6639306).

Almost surely, 2^13278611 is an apocalyptic number.

13278611 is a deficient number, since it is larger than the sum of its proper divisors (1).

13278611 is an equidigital number, since it uses as much as digits as its factorization.

13278611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 13278611 is about 3643.9828484777. The cubic root of 13278611 is about 236.8013729814.

The spelling of 13278611 in words is "thirteen million, two hundred seventy-eight thousand, six hundred eleven".