13489799 has 8 divisors (see below), whose sum is σ = 14376960. Its totient is φ = 12627736.

The previous prime is 13489783. The next prime is 13489837. The reversal of 13489799 is 99798431.

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

It is not a de Polignac number, because 13489799 - 2⁴ = 13489783 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 (13489769) 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, 5159 + ... + 7320.

It is an arithmetic number, because the mean of its divisors is an integer number (1797120).

Almost surely, 2^13489799 is an apocalyptic number.

13489799 is a deficient number, since it is larger than the sum of its proper divisors (887161).

13489799 is a wasteful number, since it uses less digits than its factorization.

13489799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12549.

The product of its digits is 489888, while the sum is 50.

The square root of 13489799 is about 3672.8461715678. The cubic root of 13489799 is about 238.0501683193.

The spelling of 13489799 in words is "thirteen million, four hundred eighty-nine thousand, seven hundred ninety-nine".