13489427 has 8 divisors (see below), whose sum is σ = 15471456. Its totient is φ = 11521152.

The previous prime is 13489393. The next prime is 13489429. The reversal of 13489427 is 72498431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13489427 - 2¹⁴ = 13473043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13489429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238 + ... + 5339.

It is an arithmetic number, because the mean of its divisors is an integer number (1933932).

Almost surely, 2^13489427 is an apocalyptic number.

13489427 is a deficient number, since it is larger than the sum of its proper divisors (1982029).

13489427 is an equidigital number, since it uses as much as digits as its factorization.

13489427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6877.

The product of its digits is 48384, while the sum is 38.

The square root of 13489427 is about 3672.7955292937. The cubic root of 13489427 is about 238.0479801108.

The spelling of 13489427 in words is "thirteen million, four hundred eighty-nine thousand, four hundred twenty-seven".