13330512 has 60 divisors (see below), whose sum is σ = 40182324. Its totient is φ = 4101120.

The previous prime is 13330489. The next prime is 13330523. The reversal of 13330512 is 21503331.

It can be written as a sum of positive squares in 2 ways, for example, as 968256 + 12362256 = 984^2 + 3516^2 .

It is a super-3 number, since 3×13330512³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1689 + ... + 5432.

Almost surely, 2^13330512 is an apocalyptic number.

13330512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13330512 is an abundant number, since it is smaller than the sum of its proper divisors (26851812).

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

13330512 is a wasteful number, since it uses less digits than its factorization.

13330512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148 (or 7139 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 13330512 is about 3651.0973692850. The cubic root of 13330512 is about 237.1094938168.

Adding to 13330512 its reverse (21503331), we get a palindrome (34833843).

The spelling of 13330512 in words is "thirteen million, three hundred thirty thousand, five hundred twelve".