13839330 has 64 divisors (see below), whose sum is σ = 35831808. Its totient is φ = 3410880.

The previous prime is 13839311. The next prime is 13839347. The reversal of 13839330 is 3393831.

13839330 = T₁₆₅ + T₁₆₆ + ... + T₄₄₃.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 21067 + ... + 21713.

It is an arithmetic number, because the mean of its divisors is an integer number (559872).

Almost surely, 2^13839330 is an apocalyptic number.

13839330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13839330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17915904).

13839330 is an abundant number, since it is smaller than the sum of its proper divisors (21992478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13839330 is a wasteful number, since it uses less digits than its factorization.

13839330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 13839330 is about 3720.1249978999. The cubic root of 13839330 is about 240.0886825046.

The spelling of 13839330 in words is "thirteen million, eight hundred thirty-nine thousand, three hundred thirty".