13377889 has 16 divisors (see below), whose sum is σ = 15769728. Its totient is φ = 11112192.

The previous prime is 13377887. The next prime is 13377893. The reversal of 13377889 is 98877331.

It is a happy number.

It is not a de Polignac number, because 13377889 - 2¹ = 13377887 is a prime.

It is a Duffinian number.

Its product of digits (254016) is a multiple of the sum of its prime divisors (504).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (13377887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39529 + ... + 39865.

It is an arithmetic number, because the mean of its divisors is an integer number (985608).

Almost surely, 2^13377889 is an apocalyptic number.

It is an amenable number.

13377889 is a deficient number, since it is larger than the sum of its proper divisors (2391839).

13377889 is a wasteful number, since it uses less digits than its factorization.

13377889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its digits is 254016, while the sum is 46.

The square root of 13377889 is about 3657.5796642042. The cubic root of 13377889 is about 237.3900595496.

The spelling of 13377889 in words is "thirteen million, three hundred seventy-seven thousand, eight hundred eighty-nine".