13489743 has 16 divisors (see below), whose sum is σ = 18830336. Its totient is φ = 8579520.

The previous prime is 13489733. The next prime is 13489769. The reversal of 13489743 is 34798431.

It is not a de Polignac number, because 13489743 - 2¹⁰ = 13488719 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 (13489733) 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, 5796 + ... + 7782.

It is an arithmetic number, because the mean of its divisors is an integer number (1176896).

Almost surely, 2^13489743 is an apocalyptic number.

13489743 is a deficient number, since it is larger than the sum of its proper divisors (5340593).

13489743 is a wasteful number, since it uses less digits than its factorization.

13489743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094.

The product of its digits is 72576, while the sum is 39.

The square root of 13489743 is about 3672.8385480443. The cubic root of 13489743 is about 238.0498389141.

It can be divided in two parts, 134897 and 43, that added together give a triangular number (134940 = T₅₁₉).

The spelling of 13489743 in words is "thirteen million, four hundred eighty-nine thousand, seven hundred forty-three".