13449799 has 8 divisors (see below), whose sum is σ = 14740992. Its totient is φ = 12170040.

The previous prime is 13449767. The next prime is 13449809. The reversal of 13449799 is 99794431.

13449799 = 126² + 127² + ... + 348².

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

It is a cyclic number.

It is not a de Polignac number, because 13449799 - 2⁵ = 13449767 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 (13449749) 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 in 7 ways as a sum of consecutive naturals, for example, 289 + ... + 5194.

It is an arithmetic number, because the mean of its divisors is an integer number (1842624).

Almost surely, 2^13449799 is an apocalyptic number.

13449799 is a deficient number, since it is larger than the sum of its proper divisors (1291193).

13449799 is a wasteful number, since it uses less digits than its factorization.

13449799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717.

The product of its digits is 244944, while the sum is 46.

The square root of 13449799 is about 3667.3967606464. The cubic root of 13449799 is about 237.8146463067.

The spelling of 13449799 in words is "thirteen million, four hundred forty-nine thousand, seven hundred ninety-nine".