13030320 has 40 divisors (see below), whose sum is σ = 40394736. Its totient is φ = 3474688.

The previous prime is 13030319. The next prime is 13030343. The reversal of 13030320 is 2303031.

It is a happy number.

13030320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 13030296 and 13030305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26907 + ... + 27386.

Almost surely, 2^13030320 is an apocalyptic number.

13030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13030320 is an abundant number, since it is smaller than the sum of its proper divisors (27364416).

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

13030320 is a wasteful number, since it uses less digits than its factorization.

13030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54309 (or 54303 counting only the distinct ones).

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

The square root of 13030320 is about 3609.7534541849. The cubic root of 13030320 is about 235.3161280390.

Adding to 13030320 its reverse (2303031), we get a palindrome (15333351).

The spelling of 13030320 in words is "thirteen million, thirty thousand, three hundred twenty".