13293289 has 2 divisors, whose sum is σ = 13293290. Its totient is φ = 13293288.

The previous prime is 13293271. The next prime is 13293299. The reversal of 13293289 is 98239231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13017664 + 275625 = 3608^2 + 525^2 .

It is an emirp because it is prime and its reverse (98239231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13293289 - 2⁵ = 13293257 is a prime.

It is not a weakly prime, because it can be changed into another prime (13293209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6646644 + 6646645.

It is an arithmetic number, because the mean of its divisors is an integer number (6646645).

Almost surely, 2^13293289 is an apocalyptic number.

It is an amenable number.

13293289 is a deficient number, since it is larger than the sum of its proper divisors (1).

13293289 is an equidigital number, since it uses as much as digits as its factorization.

13293289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 13293289 is about 3645.9962973102. The cubic root of 13293289 is about 236.8885932147. Note that the first 3 decimals are identical.

The spelling of 13293289 in words is "thirteen million, two hundred ninety-three thousand, two hundred eighty-nine".