13889049 has 8 divisors (see below), whose sum is σ = 18543360. Its totient is φ = 9247056.

The previous prime is 13889041. The next prime is 13889059. The reversal of 13889049 is 94098831.

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

It is not a de Polignac number, because 13889049 - 2³ = 13889041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13889049.

It is not an unprimeable number, because it can be changed into a prime (13889041) 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, 9 + ... + 5270.

It is an arithmetic number, because the mean of its divisors is an integer number (2317920).

Almost surely, 2^13889049 is an apocalyptic number.

It is an amenable number.

13889049 is a deficient number, since it is larger than the sum of its proper divisors (4654311).

13889049 is an equidigital number, since it uses as much as digits as its factorization.

13889049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 13889049 is about 3726.8014435974. The cubic root of 13889049 is about 240.3758520617.

The spelling of 13889049 in words is "thirteen million, eight hundred eighty-nine thousand, forty-nine".