13889030 has 16 divisors (see below), whose sum is σ = 25100064. Its totient is φ = 5533440.

The previous prime is 13889027. The next prime is 13889039. The reversal of 13889030 is 3098831.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13889039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11 + ... + 5270.

It is an arithmetic number, because the mean of its divisors is an integer number (1568754).

Almost surely, 2^13889030 is an apocalyptic number.

13889030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13889030 is a deficient number, since it is larger than the sum of its proper divisors (11211034).

13889030 is a wasteful number, since it uses less digits than its factorization.

13889030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 13889030 is about 3726.7988944938. The cubic root of 13889030 is about 240.3757424516.

The spelling of 13889030 in words is "thirteen million, eight hundred eighty-nine thousand, thirty".