13199239 has 2 divisors, whose sum is σ = 13199240. Its totient is φ = 13199238.

The previous prime is 13199227. The next prime is 13199257. The reversal of 13199239 is 93299131.

It is a weak prime.

It is an emirp because it is prime and its reverse (93299131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13199239 - 2⁹ = 13198727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13199198 and 13199207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13199209) 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, 6599619 + 6599620.

It is an arithmetic number, because the mean of its divisors is an integer number (6599620).

Almost surely, 2^13199239 is an apocalyptic number.

13199239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13199239 is an equidigital number, since it uses as much as digits as its factorization.

13199239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13122, while the sum is 37.

The square root of 13199239 is about 3633.0756942293. The cubic root of 13199239 is about 236.3286083515.

The spelling of 13199239 in words is "thirteen million, one hundred ninety-nine thousand, two hundred thirty-nine".