13356489 has 8 divisors (see below), whose sum is σ = 17975520. Its totient is φ = 8820896.

The previous prime is 13356481. The next prime is 13356503. The reversal of 13356489 is 98465331.

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 13356489 - 2³ = 13356481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13356481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20484 + ... + 21125.

It is an arithmetic number, because the mean of its divisors is an integer number (2246940).

Almost surely, 2^13356489 is an apocalyptic number.

It is an amenable number.

13356489 is a deficient number, since it is larger than the sum of its proper divisors (4619031).

13356489 is a wasteful number, since it uses less digits than its factorization.

13356489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41719.

The product of its digits is 77760, while the sum is 39.

The square root of 13356489 is about 3654.6530615094. The cubic root of 13356489 is about 237.2634113041.

The spelling of 13356489 in words is "thirteen million, three hundred fifty-six thousand, four hundred eighty-nine".