13308839 has 2 divisors, whose sum is σ = 13308840. Its totient is φ = 13308838.

The previous prime is 13308803. The next prime is 13308847. The reversal of 13308839 is 93880331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13308839 - 2⁸ = 13308583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13308799 and 13308808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13308899) 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, 6654419 + 6654420.

It is an arithmetic number, because the mean of its divisors is an integer number (6654420).

Almost surely, 2^13308839 is an apocalyptic number.

13308839 is a deficient number, since it is larger than the sum of its proper divisors (1).

13308839 is an equidigital number, since it uses as much as digits as its factorization.

13308839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 13308839 is about 3648.1281501614. The cubic root of 13308839 is about 236.9809250732.

The spelling of 13308839 in words is "thirteen million, three hundred eight thousand, eight hundred thirty-nine".