13489673 has 4 divisors (see below), whose sum is σ = 13542420. Its totient is φ = 13436928.

The previous prime is 13489667. The next prime is 13489691. The reversal of 13489673 is 37698431.

13489673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37698431 = 1451 ⋅25981.

It can be written as a sum of positive squares in 2 ways, for example, as 8684809 + 4804864 = 2947^2 + 2192^2 .

It is a cyclic number.

It is not a de Polignac number, because 13489673 - 2⁴ = 13489657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13489673.

It is not an unprimeable number, because it can be changed into a prime (13489603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25988 + ... + 26501.

It is an arithmetic number, because the mean of its divisors is an integer number (3385605).

Almost surely, 2^13489673 is an apocalyptic number.

It is an amenable number.

13489673 is a deficient number, since it is larger than the sum of its proper divisors (52747).

13489673 is an equidigital number, since it uses as much as digits as its factorization.

13489673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52746.

The product of its digits is 108864, while the sum is 41.

The square root of 13489673 is about 3672.8290186177. The cubic root of 13489673 is about 238.0494271564.

The spelling of 13489673 in words is "thirteen million, four hundred eighty-nine thousand, six hundred seventy-three".