13319399 has 8 divisors (see below), whose sum is σ = 14231040. Its totient is φ = 12428856.

The previous prime is 13319363. The next prime is 13319431. The reversal of 13319399 is 99391331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13319399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13319359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3959 + ... + 6504.

It is an arithmetic number, because the mean of its divisors is an integer number (1778880).

Almost surely, 2^13319399 is an apocalyptic number.

13319399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13319399 is a deficient number, since it is larger than the sum of its proper divisors (911641).

13319399 is a wasteful number, since it uses less digits than its factorization.

13319399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10549.

The product of its digits is 19683, while the sum is 38.

The square root of 13319399 is about 3649.5751807573. The cubic root of 13319399 is about 237.0435866116.

The spelling of 13319399 in words is "thirteen million, three hundred nineteen thousand, three hundred ninety-nine".