13489217 has 4 divisors (see below), whose sum is σ = 15416256. Its totient is φ = 11562180.

The previous prime is 13489213. The next prime is 13489271. The reversal of 13489217 is 71298431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71298431 = 19 ⋅3752549.

It is not a de Polignac number, because 13489217 - 2² = 13489213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13489213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963509 + ... + 963522.

It is an arithmetic number, because the mean of its divisors is an integer number (3854064).

Almost surely, 2^13489217 is an apocalyptic number.

It is an amenable number.

13489217 is a deficient number, since it is larger than the sum of its proper divisors (1927039).

13489217 is an equidigital number, since it uses as much as digits as its factorization.

13489217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927038.

The product of its digits is 12096, while the sum is 35.

The square root of 13489217 is about 3672.7669406049. The cubic root of 13489217 is about 238.0467448141.

The spelling of 13489217 in words is "thirteen million, four hundred eighty-nine thousand, two hundred seventeen".