13089930 has 64 divisors (see below), whose sum is σ = 36384768. Its totient is φ = 2952000.

The previous prime is 13089911. The next prime is 13089941. The reversal of 13089930 is 3998031.

It is a junction number, because it is equal to n+sod(n) for n = 13089891 and 13089900.

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, 17055 + ... + 17805.

It is an arithmetic number, because the mean of its divisors is an integer number (568512).

Almost surely, 2^13089930 is an apocalyptic number.

13089930 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 13089930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18192384).

13089930 is an abundant number, since it is smaller than the sum of its proper divisors (23294838).

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

13089930 is a wasteful number, since it uses less digits than its factorization.

13089930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 13089930 is about 3618.0008291873. Note that the first 3 decimals coincide. The cubic root of 13089930 is about 235.6744169747.

The spelling of 13089930 in words is "thirteen million, eighty-nine thousand, nine hundred thirty".