13420330 has 64 divisors (see below), whose sum is σ = 31207680. Its totient is φ = 4032000.

The previous prime is 13420321. The next prime is 13420331. The reversal of 13420330 is 3302431.

13420330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13420331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22030 + ... + 22630.

It is an arithmetic number, because the mean of its divisors is an integer number (487620).

Almost surely, 2^13420330 is an apocalyptic number.

13420330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13420330 is an abundant number, since it is smaller than the sum of its proper divisors (17787350).

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

13420330 is a wasteful number, since it uses less digits than its factorization.

13420330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13420330 is about 3663.3768574909. The cubic root of 13420330 is about 237.6408324470.

Adding to 13420330 its reverse (3302431), we get a palindrome (16722761).

The spelling of 13420330 in words is "thirteen million, four hundred twenty thousand, three hundred thirty".