13001128 has 32 divisors (see below), whose sum is σ = 28036800. Its totient is φ = 5536512.

The previous prime is 13001119. The next prime is 13001129. The reversal of 13001128 is 82110031.

It is not an unprimeable number, because it can be changed into a prime (13001129) 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, 9376 + ... + 10672.

It is an arithmetic number, because the mean of its divisors is an integer number (876150).

Almost surely, 2^13001128 is an apocalyptic number.

It is an amenable number.

13001128 is an abundant number, since it is smaller than the sum of its proper divisors (15035672).

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

13001128 is a wasteful number, since it uses less digits than its factorization.

13001128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 13001128 is about 3605.7076975262. The cubic root of 13001128 is about 235.1402693588.

Adding to 13001128 its reverse (82110031), we get a palindrome (95111159).

The spelling of 13001128 in words is "thirteen million, one thousand, one hundred twenty-eight".