13020330 has 16 divisors (see below), whose sum is σ = 31248864. Its totient is φ = 3472080.

The previous prime is 13020307. The next prime is 13020331. The reversal of 13020330 is 3302031.

It is a happy number.

13020330 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 (13020331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216976 + ... + 217035.

It is an arithmetic number, because the mean of its divisors is an integer number (1953054).

Almost surely, 2^13020330 is an apocalyptic number.

13020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13020330 is an abundant number, since it is smaller than the sum of its proper divisors (18228534).

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

13020330 is a wasteful number, since it uses less digits than its factorization.

13020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434021.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 13020330 is about 3608.3694378486. The cubic root of 13020330 is about 235.2559757905.

Adding to 13020330 its reverse (3302031), we get a palindrome (16322361).

The spelling of 13020330 in words is "thirteen million, twenty thousand, three hundred thirty".