13758489 has 24 divisors (see below), whose sum is σ = 21278400. Its totient is φ = 8540640.

The previous prime is 13758473. The next prime is 13758497. The reversal of 13758489 is 98485731.

It is not a de Polignac number, because 13758489 - 2⁴ = 13758473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13758419) 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 23 ways as a sum of consecutive naturals, for example, 9772 + ... + 11090.

It is an arithmetic number, because the mean of its divisors is an integer number (886600).

Almost surely, 2^13758489 is an apocalyptic number.

13758489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13758489 is a deficient number, since it is larger than the sum of its proper divisors (7519911).

13758489 is a wasteful number, since it uses less digits than its factorization.

13758489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1402 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 13758489 is about 3709.2437234563. The cubic root of 13758489 is about 239.6202849689.

The spelling of 13758489 in words is "thirteen million, seven hundred fifty-eight thousand, four hundred eighty-nine".