13339999 has 2 divisors, whose sum is σ = 13340000. Its totient is φ = 13339998.

The previous prime is 13339987. The next prime is 13340003. The reversal of 13339999 is 99993331.

It is a strong prime.

It is an emirp because it is prime and its reverse (99993331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13339999 is a prime.

It is a Chen prime.

13339999 is a modest number, since divided by 9999 gives 1333 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13339099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6669999 + 6670000.

It is an arithmetic number, because the mean of its divisors is an integer number (6670000).

Almost surely, 2^13339999 is an apocalyptic number.

13339999 is a deficient number, since it is larger than the sum of its proper divisors (1).

13339999 is an equidigital number, since it uses as much as digits as its factorization.

13339999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 177147, while the sum is 46.

The square root of 13339999 is about 3652.3963366535. The cubic root of 13339999 is about 237.1657288249.

The spelling of 13339999 in words is "thirteen million, three hundred thirty-nine thousand, nine hundred ninety-nine".