13489719 has 16 divisors (see below), whose sum is σ = 18829152. Its totient is φ = 8581248.

The previous prime is 13489699. The next prime is 13489733. The reversal of 13489719 is 91798431.

It is a happy number.

It is not a de Polignac number, because 13489719 - 2¹² = 13485623 is a prime.

It is a super-2 number, since 2×13489719² = 363945037397922, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 4737 + ... + 7029.

It is an arithmetic number, because the mean of its divisors is an integer number (1176822).

Almost surely, 2^13489719 is an apocalyptic number.

13489719 is a deficient number, since it is larger than the sum of its proper divisors (5339433).

13489719 is a wasteful number, since it uses less digits than its factorization.

13489719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386.

The product of its digits is 54432, while the sum is 42.

The square root of 13489719 is about 3672.8352808151. The cubic root of 13489719 is about 238.0496977402.

The spelling of 13489719 in words is "thirteen million, four hundred eighty-nine thousand, seven hundred nineteen".