13230378 has 48 divisors (see below), whose sum is σ = 33983040. Its totient is φ = 3779136.

The previous prime is 13230377. The next prime is 13230383. The reversal of 13230378 is 87303231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13230377) 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, 1458 + ... + 5346.

It is an arithmetic number, because the mean of its divisors is an integer number (707980).

Almost surely, 2^13230378 is an apocalyptic number.

13230378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13230378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16991520).

13230378 is an abundant number, since it is smaller than the sum of its proper divisors (20752662).

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

13230378 is an equidigital number, since it uses as much as digits as its factorization.

13230378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913 (or 3901 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 13230378 is about 3637.3586570477. The cubic root of 13230378 is about 236.5143073675.

The spelling of 13230378 in words is "thirteen million, two hundred thirty thousand, three hundred seventy-eight".