13280330 has 32 divisors (see below), whose sum is σ = 27489024. Its totient is φ = 4525056.

The previous prime is 13280327. The next prime is 13280339. The reversal of 13280330 is 3308231.

It is not an unprimeable number, because it can be changed into a prime (13280339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13019 + ... + 14001.

It is an arithmetic number, because the mean of its divisors is an integer number (859032).

Almost surely, 2^13280330 is an apocalyptic number.

13280330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13280330 is an abundant number, since it is smaller than the sum of its proper divisors (14208694).

13280330 is a wasteful number, since it uses less digits than its factorization.

13280330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 13280330 is about 3644.2187091337. The cubic root of 13280330 is about 236.8115910179.

Adding to 13280330 its reverse (3308231), we get a palindrome (16588561).

The spelling of 13280330 in words is "thirteen million, two hundred eighty thousand, three hundred thirty".