13833990 has 48 divisors (see below), whose sum is σ = 37307088. Its totient is φ = 3688416.

The previous prime is 13833979. The next prime is 13833991. The reversal of 13833990 is 9933831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13833991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417 + ... + 5276.

It is an arithmetic number, because the mean of its divisors is an integer number (777231).

Almost surely, 2^13833990 is an apocalyptic number.

13833990 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 13833990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18653544).

13833990 is an abundant number, since it is smaller than the sum of its proper divisors (23473098).

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

13833990 is an equidigital number, since it uses as much as digits as its factorization.

13833990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715 (or 5703 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 13833990 is about 3719.4072108335. The cubic root of 13833990 is about 240.0577985794.

The spelling of 13833990 in words is "thirteen million, eight hundred thirty-three thousand, nine hundred ninety".