13873489 has 8 divisors (see below), whose sum is σ = 16092608. Its totient is φ = 11713680.

The previous prime is 13873481. The next prime is 13873493. The reversal of 13873489 is 98437831.

It is a happy number.

13873489 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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 13873489 - 2³ = 13873481 is a prime.

13873489 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (13873481) 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, 14322 + ... + 15259.

It is an arithmetic number, because the mean of its divisors is an integer number (2011576).

Almost surely, 2^13873489 is an apocalyptic number.

It is an amenable number.

13873489 is a deficient number, since it is larger than the sum of its proper divisors (2219119).

13873489 is an equidigital number, since it uses as much as digits as its factorization.

13873489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29655.

The product of its digits is 145152, while the sum is 43.

The square root of 13873489 is about 3724.7132775557. The cubic root of 13873489 is about 240.2860535961.

The spelling of 13873489 in words is "thirteen million, eight hundred seventy-three thousand, four hundred eighty-nine".