13189770 has 64 divisors (see below), whose sum is σ = 38378880. Its totient is φ = 3196800.

The previous prime is 13189753. The next prime is 13189789. The reversal of 13189770 is 7798131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (599670).

Almost surely, 2^13189770 is an apocalyptic number.

13189770 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 13189770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19189440).

13189770 is an abundant number, since it is smaller than the sum of its proper divisors (25189110).

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

13189770 is a wasteful number, since it uses less digits than its factorization.

13189770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468 (or 4462 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 13189770 is about 3631.7722946242. The cubic root of 13189770 is about 236.2720815843.

The spelling of 13189770 in words is "thirteen million, one hundred eighty-nine thousand, seven hundred seventy".