13345328 has 40 divisors (see below), whose sum is σ = 26813760. Its totient is φ = 6431040.

The previous prime is 13345303. The next prime is 13345331. The reversal of 13345328 is 82354331.

It is a self number, because there is not a number n which added to its sum of digits gives 13345328.

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, 63143 + ... + 63353.

It is an arithmetic number, because the mean of its divisors is an integer number (670344).

Almost surely, 2^13345328 is an apocalyptic number.

It is an amenable number.

13345328 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

13345328 is a wasteful number, since it uses less digits than its factorization.

13345328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 339 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 13345328 is about 3653.1257848588. The cubic root of 13345328 is about 237.1973052369.

Adding to 13345328 its reverse (82354331), we get a palindrome (95699659).

The spelling of 13345328 in words is "thirteen million, three hundred forty-five thousand, three hundred twenty-eight".