13119889 has 6 divisors (see below), whose sum is σ = 13349570. Its totient is φ = 12894096.

The previous prime is 13119881. The next prime is 13119901. The reversal of 13119889 is 98891131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12531600 + 588289 = 3540^2 + 767^2 .

It is not a de Polignac number, because 13119889 - 2³ = 13119881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13119881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1597 + ... + 5365.

Almost surely, 2^13119889 is an apocalyptic number.

It is an amenable number.

13119889 is a deficient number, since it is larger than the sum of its proper divisors (229681).

13119889 is an frugal number, since it uses more digits than its factorization.

13119889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887 (or 3828 counting only the distinct ones).

The product of its digits is 15552, while the sum is 40.

The square root of 13119889 is about 3622.1387328483. The cubic root of 13119889 is about 235.8540764578.

The spelling of 13119889 in words is "thirteen million, one hundred nineteen thousand, eight hundred eighty-nine".