13498399 has 2 divisors, whose sum is σ = 13498400. Its totient is φ = 13498398.

The previous prime is 13498393. The next prime is 13498439. The reversal of 13498399 is 99389431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13498399 - 2⁷ = 13498271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13498393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6749199 + 6749200.

It is an arithmetic number, because the mean of its divisors is an integer number (6749200).

Almost surely, 2^13498399 is an apocalyptic number.

13498399 is a deficient number, since it is larger than the sum of its proper divisors (1).

13498399 is an equidigital number, since it uses as much as digits as its factorization.

13498399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 46.

The square root of 13498399 is about 3674.0167392106. The cubic root of 13498399 is about 238.1007447228.

The spelling of 13498399 in words is "thirteen million, four hundred ninety-eight thousand, three hundred ninety-nine".