13347489 has 4 divisors (see below), whose sum is σ = 17796656. Its totient is φ = 8898324.

The previous prime is 13347487. The next prime is 13347547. The reversal of 13347489 is 98474331.

13347489 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13347489 - 2¹ = 13347487 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13347487) 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, 2224579 + ... + 2224584.

It is an arithmetic number, because the mean of its divisors is an integer number (4449164).

Almost surely, 2^13347489 is an apocalyptic number.

It is an amenable number.

13347489 is a deficient number, since it is larger than the sum of its proper divisors (4449167).

13347489 is an equidigital number, since it uses as much as digits as its factorization.

13347489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449166.

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

The square root of 13347489 is about 3653.4215469885. The cubic root of 13347489 is about 237.2101076126.

The spelling of 13347489 in words is "thirteen million, three hundred forty-seven thousand, four hundred eighty-nine".